Each of the following sentences contains one error. Underline and correct it. (10 pts)
The teacher told the students to sit down and not opening the booklets until he told them to do so.
A.to sit
B.opening
C.until
D.to do

Each of the following sentences contains one error. Underline and correct it. (10 pts)
The food in my country is different than that in the United States
A.my country
B.than
C.in
D.the

Francis ought to have made more effort to locate his brother.
A.It is necessary for Francis to try harder if he wants to locate his brother.
B.Francis must have worked hard in order to locate his brother.
C.Francis didn’t try as hard as he should have to find his brother.
D.Prancis has to make the effort himself if he wishes to find his brother.

Laura has ruled out any meeting with Roger in the near futưre.
A.Laura has decided never to meet Roger again.
B.Laura says that coming together with Roger is presently out of the question.
C.A future meeting between Laura and Roger doesn’t seem very likely.
D.In all probability, Laura will never get together with Roger again.

Choose the best answer to each of the following questions.
The................ people get to the party, the.............. it is.
A.most – most crowded
B.more – most crowded
C.more – more crowded
D.most - more crowded

He can’t read much about the subject before giving his speech because he was completely uninformed.
A.Since he knew nothing about the subject, he clearly hadn’t researched it well before speaking.
B.In the end, he didn’t have to give his speech anyway, so he needn’t have read so much about the topic.
C.Not having read much about the subject before his speech, he wasn’t surprised at being considered uninformed.
D.He had to read a lot of about the topic before speaking because he knew nothing at all about it.

Having submitted the report, the committee adjourned until the next meeting.
A.The committee made a report before adjourning.
B.The next committee meeting has been cancelled.
C.The committee reported on the adjournment of the meeting.
D.The report of the committee was postponed until the next meeting.

Choose the best answer to each of the following questions.
He is not............... as he used to be.
A.more a good player
B.as a good player
C.such a good player
D.so a player good

Choose the best answer to each of the following questions.
Their books are................... ours because they bought second-hand ones.
A.twice cheaper than
B.twice cheaper as
C.twice as cheap as
D.twice so cheap as

Choose the best answer to each of the following questions.
The man gets old now, he works ............ he used to.
A.half as hard as
B.as hard as half
C.half harder than
D.harder half than