---It seems that Mr. Wu is standing there.
---It ________ be him because he called me from Canada just now.
| A．mustn’t | B．can’t |
| C．needn’t | D．shouldn’t |
I'm sure that stricter roles to control cigarette smoking very soon.
| A．made | B．will make | C．were made | D．will be made |
______ wonderful concert they are putting on in the city square!
| A．How | B．What | C．What a | D．What an |
Jenny told me that she __ an English Speech Contest the next month.
| A．takes part in | B．is taking part in |
| C．took part in | D．would take part in |
The students the Art Festival when I passed by their school.
| A．celebrate | B．were celebrating | C．will celebrate | D．have celebrated |
The volunteers __ a lot of help to the community for nearly ten years.
| A．offered | B．will offer | C．are offering | D．have offered |