24．—Mind if I sit here?
— _________．
| A．Suit yourself | B．Behave yourself | C．Never mind | D．Help yourself |
There was _____ time when everything to do with ____nature could keep Anne spellbound.
| A．a, the | B．the, a | C．a, / | D．the , the |
_____ impressed me was the boy’s ability to deal with this kind of difficult physics problem.
| A．Which | B．What | C．It | D．That |
In no way should we hunt and kill antelopes. _____, everyone should make great efforts to protect them.
| A．In time | B．As a result | C．In addition | D．On the contrary |
I saw Tom _____ into the classroom without _____.
| A．slide; found | B．sliding; find |
| C．sliding; being found | D．to slide; being found |
Having been attacked by terrorists, _____.
| A．doctors came to their rescue |
| B．the tall building collapsed |
| C．an emergency measure was taken |
| D．warnings were given to tourists |