—Excuse me，but could I trouble you for some change?
—________.Will pennies do？ (2013·浙江，20)
| A．I know | B．Never mind |
| C．I am sure | D．Let me see |
It was not ______ he took off his dark glasses ______ I realized he was Liu Xiang.
| A．when; that | B．until; when | C．when; then | D．until; that |
Locked in his own study, Tony was annoyed for _____ the change earlier.
| A．having not informed | B．not having informed of |
| C．not being informed | D．not having been informed of |
Hi, Susan, are you interested in buying some used books for school? You _____ really save some money that way.
| A．need | B．can | C．must | D．should |
_______teachers are required to take part in this relay race.
| A．Another ten young Chinese | B．Ten another young Chinese |
| C．Ten young another Chinese | D．Another ten Chinese young |
Among the problems is _____ they often failed to take into account that those people are more likely to use sunscreen.
| A．that | B．what | C．when | D．where |