Oh, it’s so cool in the house. You _______ have turned on the air-conditioner, haven’t you?
| A． should | B．might | C．must | D．can |
As unemployment is very high nowadays , it’s very difficult for people to find work .
| A．the; 不填 | B．the ; a | C．不填；不填 | D．an; the |
—Thank you so much for helping me with my English .
— .
| A．With pleasure | B．A pleasure |
| C．I’m glad to hear that | D．No thanks |
It is your own fault you are so tired . You oughtn’t to have stayed up so late .
| A．when | B．how | C．where | D．why |
The president’s speech was boring; it is ,in fact ,rather inspiring and interesting.
| A．anything but | B．nothing but | C．no more | D．all but |
Whenever you are to walk on the ice , that it is solid and safe enough.
| A．examine | B．check | C．try | D．make |