The coat made of this kind cloth _____ well. I think it is worthy _______.
| A．washes; buying | B．is washed; buying |
| C．washes; to be bought | D．is washed; to be bought |
—I think I'll give Bob a ring.
—You ______. You haven't been in touch with him for ages.
| A．will | B．may | C．have to | D．should |
______ about wild plants that they decided to make a trip to Madagascar for further research
| A．So curious the couple was | B．So curious were the couple |
| C．How curious the couple were | D．The couple was such curious |
Unlike watching TV, reading is a highly active process _______ it requires attention as well as memory and imagination.
| A．until | B．but | C．unless | D．for |
---- Don't you think it necessary that he _______ to Miami but to New York?
---- I agree, but the problem is ________ he has refused to.
| A．will not be sent; that | B．not be sent; that |
| C．should not be sent; what | D．should not send; what |
The place _______ the bridge is supposed to be built should be ________ the cross-river traffic is the heaviest.
| A．which; where | B．at which; which |
| C．at which; where | D．which; in which |