________ is difficult if you put your heart into it.
| A．Anything | B．Nothing | C．Something | D．Everything |
— Can you lend me your bike?
— Yes. But you can only ________ it for one day. Because I’ll ride it to school the day after tomorrow.
| A．borrow | B．to lend | C．to have | D．keep |
— _______ will you stay in Shenzhen for your summer vacation?
— For about two weeks.
| A．How far | B．How often | C．How soon | D．How long |
— Must I return the book tomorrow?
— No, you ________. You can keep it for three days.
| A．mustn’t | B．needn’t | C．can’t | D．may not |
Three fourths of the ________ in the country have run out.
| A．water | B．book | C．forests | D．news |
I don’t know _________ the problem.
| A．how deal with | B．how to deal with |
| C．what to deal with | D．what do with |