Complete each of the following sentences with the most likely answer. (25 points)
1．Much ______ been said about the problem but nothing ______ been done so far.
A．has, had B．has, has
C．had, had D．have, have
2．I was advised to arrange for insurance ______ I needed medical treatment.
C．in case D．so that
3．Half an hour after the police surrounded ______ hiding place, the gang ______ arrested.
A．its, was B．its, were
C．their, was D．their, were
4．Government reports, examination compositions, legal documents and most business letters are the main situations ______ formal language is used.
A．in which B．on which
C．in that D．at what
5．Someone turned the radio down, ______?
A．did he B．did they
C．didn’t he D．didn’t she
6．Mobile telecommunications ______ is expected to double in Shanghai this year as a result of a contract signed between the two companies.
7．The electricity was cut off while the film ______.
A．was shown B．was to show
C．was showing D．was being shown
8．Don’t worry. This question is of the ______ importance.
9．On my present salary, I just can’t afford such a car ______ you drive.
10．The committee is totally opposed ______ any changes being made in the plans.
11．It is easy to show that intelligence is to some extent something we are born ______.
12．______ evidence shows, for example, that people who lived over three thousand years ago ate salted fish.
13．Without trees our world ______ a much drier place.
A．is B．will be
C．would be D．must be
14．There are two computers in the office, but ______ is working.
A．either of them B．neither of them
C．none of them D．neither of which
15．It was not a good meal, and Mr. Maydig was describing it sorrowfully ______ Mr. Fotheringay saw his opportunity.
16．______, a man who expresses himself effectively is sure to succeed more rapidly than a man whose command of language is poor.
A．Other things being equal B．Were other things equal
C．To be equal to other things D．Other things to be equal
17．As early as 1647 Ohio made a decision that free, tax-supported schools must be established in every town ______ 50 households or more.
A．having B．to have
C．to have had D．having had
18．The car ______ halfway for no reason.
A．broke off B．broke down
C．broke up D．broke out
19．“Need we work late today?” “No, but we ______ tomorrow.”
C．can D．ought to
20．______ might be expected, the response to the question was very mixed.
21．Mr. Morgan can be very sad ______, though in public he is extremely cheerful.
A．by himself B．in person
C．in private D．as individual
22．By the time he arrives in Beijing, we ______ here for two days.
A．have been staying B．have stayed
C．shall stay D．will have stayed
23．This kind of glasses manufactured by experienced craftsmen ______ comfortably.
A．is worn B．wears
C．wearing D．are worn
24．Floods cause billions of dollars worth of property damage ______.
25．Americans eat ______ as they actually need every day.
A．twice as much protein B．twice protein as much twice
C．twice protein as much D．protein as twice much