--- What do you think of my answer to the questions?
--- Sorry. I _____ about something else.
| A．thought | B．had thought |
| C．am thinking | D．was thinking |
I will visit my aunt ____I am free tomorrow.
A if B whether C when D after
Do you know____?
| A．if it will be fine tomorrow | B．where did they see her |
| C．when shall we have a picnic | D．which would you like |
My sister is only five, but she always tells me ____ my pictures are good or not.
| A．if | B．whether | C．that | D．how |
Mum, I’m afraid I can’t _____ them in the match.
| A．passed | B．beat | C．hit | D．win |
The police warned us ______ possible danger.
| A．for | B．in | C．to | D．about |