______ you wait a few more minutes? It’ll be your turn soon.
| A．Must | B．Should | C．Could | D．Might |
–- How long may I ______ your bike?
-- For a week. But you mustn’t _____ it to others.
| A．borrow, lend | B．keep, lend |
| C．lend, borrow | D．keep, borrow |
_______ it’s difficult to make her dream come true, she never gives up.
| A．Though | B．Unless | C．Because | D．If |
Lucy knew nothing about it _____ her sister told her.
| A．because | B．until | C．if | D．since |
— Why didn’t you enjoy the talk?
--It was ____ talk I had ever listened to.
| A．more interesting | B．less interesting |
| C．the least interesting | D．the most interesting |