So far all cloned animals have suffered from some different serious disorders, ______ dying soon after birth.
| A．many of which | B．many of whom | C．many of them | D．many of that |
It was playing computer games that cost the boy plenty of time that he ______doing his lessons.
| A．might have spent | B．must have spent |
| C．ought to have spent | D．must gain |
------We want someone to design the new art museum for us.
------______the young fellow have a try?
| A．May | B．Shall | C．Will | D．Need |
Jack tried to play a trick _____ his sister but she wasn’t taken ________.
| A．by, on | B．in, in | C．on, on | D．on, in |
One day we will manage to _____the world ______this terrible disease.
| A．rid, from | B．rid, of | C．rid, out | D．rid, in |
She ______to them about her age in order to get the job.
| A．lay | B．laid | C．lied | D．Lain |