I think you must be mistaken about seeing him at the theatre； I’m sure he _____ abroad all week.
| A．is | B．was |
| C．has been | D．had been |
He is only thirty, but has got _____.
| A．a few grey hairs | B．a few grey hair | C．a little grey hair | D．a little grey hairs |
We should make a careful study of his____.
| A．useful teaching experiences | B．useful teaching experience |
| C．usefully teaching experiences | D．usefully teaching experience |
___ to play with the kids!
| A．What a fun it is | B．What fun it is | C．How fun it is | D．How fun is it |
___ we are having today!
| A．What pleasant weather | B．What a pleasant weather |
| C．What pleasant whether | D．What a pleasant whether |
____the sketch of Xiao Shenyang made a _____has been known to us all.
| A．That; hit | B．What; strike | C．Why; beat | D．which; knock |