A moment, please．I’m checking if Mr. Smith _________ free tomorrow．
| A．is | B．being | C．to be | D．will be |
----does your sister surf the internet?
---- About once a week.
| A．How long | B．How often | C．How many | D．How soon |
Mr. Green ___ to the manager now. You’d better call him later.
| A．talk | B．talked | C．is talking | D．was talking |
Please ___ your homework to school tomorrow, Tom.
--- OK, Mr. Li.
| A．take | B．bring | C．carry | D．have |
Where is Jim?
--- He is sending an email ___ his friend.
| A．for | B．from | C．of | D．to |
Please help him ___ these books to the classroom.
| A．takes | B．taking | C．take | D．to takes |