He made another wonderful discovery, ______ of great importance to science.
| A．which I think is | B．which I think it is |
| C．which I think it | D．I think is |
__________hard you try, it is difficult to lose weight without cutting down the amount you eat.
A Whatever B Whichever C However D Whenever
By the end of this year, a new library ________ in our school.
A would be completed B will have been completed
C had been completed D was being completed
Never in my wildest dream _________ these people are living in such poor conditions.
A I could imagine B could I imagine C I couldn't imagine D couldn't I imagine
I have got to the point _______ I must adjust myself to the new life.
A what B which C where D that
He speaks English well indeed, but of course not __________ a native speaker.
A as fluent asB more fluent than C so fluently as D much fluently than