My sister isn’t in. ________ she comes back, I’ll let her call you back.
| A．While | B．Until | C．Before | D．When |
When he was free, he went down to the small river behind the factory and tried ____some fish.
| A．catch | B．caught | C．catches | D．to catch |
Thank you for ______my grandpa when I was away.
| A．looking after | B．look over | C．looking at | D．look for |
— Excuse me, where can I take a bus to the supermarket?
— Sorry, there are _____ buses here.
| A．some | B．any | C．no | D．much |
There is ____ cooking oil left in the house. Would you go to the supermarket and get _____?
| A．little; some | B．little; any | C．few; some | D．few; any |
English is interesting, _______ I didn’t like it at first.
| A．and | B．so | C．but | D．or |