He was observed __________ into the house and help himself to what he liked before the owner came back.
| A．to slide | B．slide |
| C．sliding | D．slid |
If I ___ free tonight, I'll go to the cinema with you.
| A．an | B．was | C．will be | D．be |
When I handed the report to John, he said that George was the person ___.
| A．to send | B．to sending it | C．to send it to | D．for sending it to |
She can’t help___ the house because she’s busy making a cake.
| A．to clean | B．cleaning | C．cleaned | D．being cleaned |
We agreeed ___ here but so far she hasn't turned up yet.
| A．having met | B．meeting | C．to meet | D．to have met |
---Thank you very much for your present.It is beautiful. ---____.
| A．Really? Do you like it? | B．It’s only a small thing | C．Is it beautiful ? | D．I’m glad you like it |