You might wonder how this kind of animal ____ to live without eating for so many months.
| A．keeps | B．succeeds | C．manages | D．tries |
—Where is Bob? I cannot find him anywhere.
—Hehave been off long. I heard him make a call just now.
| A．shouldn’t | B．can’t | C．mustn’t | D．needn’t |
Class regulations require _____ is the last to leave the classroom _____ off all the lights.
| A．who; should turn | B．whom; shall turn |
| C．whomever; turns | D．whoever; turn |
What impresses me most is _________ he appears in front of others, he wears a sincere and charming smile.
A. which B. that C. whereC. that whenever
Everyone has periods in their lives __________ everything seems very hard.
| A．when | B．where | C．which | D．that |
The result was far beyond _____we had expected, ____brought great joy to every one of us.
| A．that; which | B．than; that | C．what; what | D．what; which |