---How much difficulty did you have________________ this problem?
---_____________. It's quite easy.
| A．to solve, Nothing | B．solving; None | C．to solve, None | D．solving; Nothing |
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 |
Look, I ___ a new watch now. Is it beautiful?
| A．am having | B．have | C．to have | D．am going to have |