It will be many years ______ the doctors and medical scientists can find _____ for cancer.
A . since; cures B. when; treatments
C. before; cures D. until; treaments
The photo reminded me____ I had seen in London.
A what B .that C. of that D. of what
So amused ________ that I couldn’t help laughing when I saw the performance given by the children．
A．I felt B．did I feel C．I feel D．had I felt
As is known to us, happiness consists ____ appreciating ____ you have.
A. of; what B. in; what C. of; that D. in; that
I feel it is your husband who ________ for the spoiled child .
A. is to blame B. is going to blame C. is to be blamed D. should blame
Only the factory ____ yesterday ____ this kind of machines.
A. did we visit; does it produce B. did we visit; produces
C. we visited; produces D. we visited; does it produce
