China has in producing clones of cows and goats, and continues to research ways _______ can benefit mankind.
| A．resulted ; that | B．succeeded ; / |
| C．succeeded ; that | D．resulted ; in which |
Neither of them thought______ of him and they both tried to _____ him in his work.
| A．hamper;highly | B．support;ill | C．assist;/ | D．encourage;high |
They have been waiting for many hours to see the singer, but the airplane must have been _____.
| A．behind the times | B．behind schedule | C．ahead of time | D．in no time |
The _____ of the trees in the water was very clear.
| A．mirror | B．sight | C．reflection | D．shadow |
Today, housework has been made much easier by electrical _____.
| A．facilities | B．appliances | C．instruments | D．equipment |
Pack the cake in a strong box, or it might get _____ in the post.
| A．splashed | B．spilt | C．crushed | D．crashed |