Mary is giving me English lessons my teaching her Chinese.
| A．exchange for | B．exchange | C．in exchange for | D．to exchange for |
_________at the cafeteria before, Tina didn’t want to eat there again.
| A．Having eaten | B．To eat | C．Eat | D．Eating |
________is it ________has made Peter ________he is today?
| A．What; that; that | B．That; that; what | C．What; what; that | D．What; that; what |
They __________on the program for almost one week before I joined them, and now we ________on it as no good results have come out so far.
| A．had been working; are still working |
| B．had worked; were still working |
| C．have been working; have worked |
| D．have worked; are still working |
He was a bit nervous. He _________his spare breath with a soft sound that was almost heard by the audience.
| A．gave out | B．let out | C．picked out | D．blew out. |
Not until he went through real hardship ________the love we have for our families is important.
| A．had he realized | B．did he realize | C．he realized | D．he had realized |