As parents, we should try to understand _______ our children’s real interests lie instead of blaming them for bad marks．
| A．what | B．which | C．where | D．how |
A good advertisement, people attach positive meanings, can contribute to the sales of a product．
| A．for which | B．to which | C．of which | D．on which |
— Can we meet tomorrow afternoon?
—Not in the afternoon, I’m afraid．I．
| A．will be working | B．am going to be | C．am about to work | D．will work |
—Shall I pay the bill by check?
—Sorry, sir．But it is the management rule of our hotel that paymentbe made incash．
| A．can | B．need | C．will | D．shall |
Linda gave us a vividof her trip to Mount Lu shah after her return．
| A．account | B．explanation | C．imagination | D．idea |
21．---Shall I tell your best friends what happened to you yesterday?
—they ask you．
| A．Not if | B．Not unless | C．Not except | D．Not though |