| A．Do you try | B．Have you tried | C．Are you trying | D．Have you been trying |
| A．give | B．have been giving | C．are giving | D．have given |
| A．freezed | B．freeze | C．frozen | D．freezing |
| A．Will you like | B．Do you like | C．Wouldn’ t you like | D．Won’t you like |
| A．turned out | B．had turned out | C．would turn out | D．had been turned out |
| A．become | B．is becoming | C．are become | D．were become |
| A．had expected | B．expecting | C．should expect | D．would expect |
| A．are being having | B．are having | C．will be had | D．shall be had |
| A．is interviewing | B．being interviewing | C．interviewing | D．is being interviewed |
| A．was to have come | B．must have come | C．came | D．had to come |
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