_____ they are fit, I see no reason why they shouldn't go on playing basketball for another four or five years.
| A．In case | B．Provided that | C．Unless | D．As if |
--__________?
--It depends on what it is.
| A．Will you buy me some stamps | B．Would you please do me a favour |
| C．How about going shopping with me | D．Remember me to your family, will you |
__________ full preparations, we decided to put off the meeting till next week.
| A．We did not make | B．Having not made |
| C．We had not made | D．Not having made |
In such dry weather, the flowers will have to be watered if they ____________
| A．have survived | B．are to survive |
| C．would survive | D．will survive |
It is the protection for the trees___________ really matters, rather than how many trees are planted.
| A．what | B．that | C．不填 | D．which |
We can’t go on with the experiment because the computer_________.
| A．hasn’t been repaired | B．hasn’t repaired |
| C．is not repaired | D．hadn’t been repaired |