单选题He never hesitates to make such
单选题Nowhere in nature is aluminum found free, owing
单选题All of us would have enjoyed the party much more
单选题Mr. Brown had us______ reports all afternoon.
单选题She did her work ______her manager had instructed.
单选题He didn't seem to mind______TV while he was
单选题Hydrocarbons, ______ by engine exhausts, react
单选题Any student______in chess can apply for
单选题Lisa stood motionless at the end of the diving
单选题______they must learn in a course is not
单选题If Delia______so much work to do, she would have
单选题To be sure, there would be scarcely no time left
单选题There was so much noise that the speaker
单选题I'd rather you______those important documents
单选题Which of the following is INCORRECT?
单选题There______nothing more for discussion, the
单选题Jean doesn't want to work right away because she
单选题It's vital that enough money______to fund the
单选题The vocabulary and grammatical differences
单选题She did her work ______her manager had instructed.