Money spent on the brain is never spent ______.
| A．in ease | B．in anger | C．in vain | D．in comfort |
– Sorry, I’m late. I got ______ in traffic.
– It doesn’t matter. Come in, please.
| A．sticking | B．to stick |
| C．stuck | D．having stuck |
Sarah ______ change her mind, even though she knew the plan was hard to carry out.
| A．mustn’t | B．wouldn’t |
| C．shouldn’t | D．needn’t |
I was made ______ four hours before I was examined by a doctor, which was really annoying.
| A．wait | B．waiting |
| C．being waited | D．to wait |
George always does his best in school, and that’s ______ I like about him.
| A．where | B．why | C．how | D．what |
Extra boiling water should be kept at hand just ______ it is needed.
| A．as | B．because |
| C．in case | D．as if |