One of our rules is that every student wear school uniform while at school.
| A．shall | B．might | C．will | D．could |
— Can I pay the bill by check?
— Sorry, sir. But it's the management rules of our hotel that payment ______be made in cash.
| A．shall | B．need | C．will | D．can |
This sweater fits me, but I can’t afford to buy __． I have to choose __ that is cheap enough for me．
| A．one; that | B．that; it | C．it; one | D．that; the one |
—Can I help you with it?
— I appreciate your _____, but I can manage it myself．
| A．advice | B．offer | C．question | D．idea |
When she was in trouble, I did what I could to help her.my help, she wrote me a letter of thanks.
| A．In honor of | B．In case of | C．In terms of | D．In return for |
It rained heavily in the south， serious flooding in several provinces.
| A．causing | B．having caused | C．caused | D．to cause |