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 |
I think the doctor is able to care of _____ is the matter with your son .
| A．all | B．what | C．whatever | D．anything |
Let us not waste ______ time we have left .
| A．the little | B．little | C．a little | D．a little more |
Do you consider it any good _____ the truck again ?
| A．to repair | B．repairing | C．repaired | D．being repairing |
It's nearly seven o'clock . Jack _____ be here at any moment .
| A．must | B．need | C．should | D．can |
If you _____ stop smoking , you can only expect to have a bad cough .
| A．won't | B．would not | C．do not | D．can not |