— Could you tell me what he said just now?
— Sorry, I_____ what was happening outside.
| A．had thought | B．was thinking | C．thought | D．think |
______ you _____ free next Sunday?
| A．Are, going | B．Will, are | C．Are, be | D．Will, be |
This mountain is about __________.
| A．1,687 metres high | B．high 1,687 metres |
| C．1,687-metres-high | D．high-1,687-metre |
I didn’t see________in my room.
| A．else something | B．something else |
| C．else anything | D．anything else |
--_______ not very difficult for us young people _______ English.
--So let’s study hard.
| A．It’s, to learn | B．That’s, to learn |
| C．This is, learning | D．It’s, learning |
Sichuan is __________ China.
| A．in the south | B．to the south of |
| C．at the south for | D．in the south of |