______ is surprising to us is that Tom, for ______ English was once boring, can speak English fluently as though he were a native speaker.
| A．What; whose | B．What; whom | C．It; whose | D．As; whom |
This is an illness that can result in total blindness ________ left untreated.
| A．after | B．if |
| C．since | D．unless |
— We want someone to design the new art museum for us.
— ________ the young fellow have a try?
| A．May | B．Shall |
| C．Will | D．Need |
The little boy is dirty from head to foot because he ________ in the mud all morning.
| A．has played | B．is playing |
| C．has been playing | D．was playing |
So many directors ________, the board meeting had to be put off.
| A．were absent | B．been absent |
| C．had been absent | D．being absent |
The rainy season is coming and let’s make full use of the ________ days to dry whatever is needed to dry before the next dry season.
| A．few last sunny | B．last few sunny |
| C．last sunny few | D．sunny last few |