However, it only appears in the imagination and will never be ______.
| A．realized | B．supported | C．understood | D．produced |
My mind wasn’t on what he was saying so I’m afraid I ______ half of it.
| A．was missing | B．missed | C．had missed | D．will miss |
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 |