---Is this experiment easy?
---________,I’11 just do my best.
| A．I think so | B．Certainly | C．Not a 1ittle | D．Anything but |
----Mum,we are going mountain climbing this afternoon.
-----____________! Sometimes they’ll roll down the hillside.
| A．Watch your step | B．Watch out for stones | C．Sounds great | D．Have fun |
Watching TV is ________a kind of relaxation , and it also _______ our knowledge.
| A．not more than ; adds | B．more than ; adds to |
| C．no more than ; adds to | D．more than ; adds up to |
Children must be _________ to serve（服务） their country when they grow up.
| A．sentenced | B．preferred | C．educated | D．devoted |
I shall never forget those days _______ I lived in the army with the soldiers, _______ has
a great effect on my life.
| A．that ; which | B．when ; which | C．when ; that | D．which ; that |
— How long _________ in singapore?
— For just the weekend. I’ll be back next Monday morning.
| A．have you stayed | B．are you staying |
| C．did you stay | D．do you stay |