37. These wild flowers are so special that I would do___________I can to save them .
| A．whatever | B．that | C．which | D．Whichever |
We walked as fast as we could,____ to catch the 9:30 train．
| A．to hope | B．hoping | C．hoped | D．hope |
-- I saw Mr Li at the meeting yesterday.
--- Did you? He ______ have attended, for he had asked for sick leave.
| A．needn’t | B．couldn’t | C．shouldn’t | D．mustn’t |
. Tom said he had been working for three hours, ________, evidently, was untrue.
| A．he | B．this | C．which | D．it |
. He wasted a lot of time playing football, otherwise he ________the exam.
| A．had passed | B．passed | C．would pass | D．would have passed |
Don’t you think necessary to make a plan before you start doing it?
| A．one | B．that | C．it | D．this |