_______ difficult the task may be, we must finish it on time, because we can’t meet such a precious opportunity _______ we have expected.
A. Whatever; that B. However; as
C. However; that D. Whatever; which
—Why are so many people gathering there?
—Several people seem _________. Let's go and see.
A. being dancing B. dancing C. to be dancing D. to have danced
Weather ________, the picnic will be held as scheduled.
A. permits B. permitted C. should permit D. permitting
We are so disappointed that he always turns a deaf ear to our warnings ________ we remind him not to drive after getting drunk.
A. by the time B. every time C. the first time D. for the first time
When he came back, he found the bag he had __________ over the seat was gone.
A. left to hang B. left hanging C. left hung D. left hung
In a way, ________global warming is a challenge for man, so we must overcome it to build ________ fine world.
A. the；/ B. a；the C. a；/ D. /；a
