Mr. Smith will go back to London tomorrow.
Yes. I will see ______ off at the airport.
A. he B. his C. him
When his mother came into his room, he pretended ______
| A．to asleep | B．sleeping | C．slept | D．to be asleep |
Would you mind __ me how ___ the chemistry problem?
| A．telling；to solve | B．telling；solve |
| C．to tell；to solve | D．to tell；solve |
He is so careless that he often_______his school things at home.
| A．puts | B．forgets | C．takes | D．leaves |
--- Was Tom a member of Greener China?
---Yes, he has ___ Greener China for 5 years.
| A．taken in | B．joined | C．been in | D．been to |
The room was very dark, so I couldn’t see anything ______
| A．enough clearly | B．enough clear |
| C．clearly enough | D．clear enough |