单选题I sent invitations to 80 people, ______ have replied.
单选题The people at the party were worried about Janet because no one was aware ( )she had gone.
单选题Teacher: Where is Mike this morning?
Student: He"s got a cold.
Teacher: ______
单选题A new system of quality control was ______ to overcome the shortcomings in the firm"s products.
单选题______all the inventions have in common is ______ they have succeeded.
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单选题Students are expected to ______ lectures regularly.
单选题We are at your service. Don’t ________ to turn to us if you have any problems.
单选题The Prime Minister refused to comment on the rumor that he had planned to__________.
单选题Immigrants have to adapt themselves culturally and physically to the new surroundings ____ they have moveD)
单选题(Look out)! Don't (get) too close to the house (that) roof is (under repair).
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单选题Though Thomas is very busy, he ______ one evening a week to play with his kids.
单选题No sooner had I closed the door than somebody started knocking ______ it.
单选题Ed: How do you get along with your new music teacher?
Maggie: Ms. Davis? ______, but I like her a lot.
单选题The city ______ I was born is on the new railway line.
单选题Only when (it started) to rain (he noticed) that he (had left) his raincoat (somewhere).
单选题How these big stones were moved to the mountain tops remains a ______, that is, nobody knows how. A. mystery B. possibility C. responsibility D. faith
单选题Mary:
What was the match like?
Lucas:
______, especially when Messi scored in the closing minutes.
单选题" (Shall I) give you a check (for $10) ? " " I'd rather you (give) me $10 (in notes)."