19. Have a little chicken, ______?
| A．don’t you | B．oughtn’t you | C．will you | D．shall you |
. Instead of calling ________ his uncle, he called ________ my new house with his wife that day.
| A．by; for | B．on; at |
| C．for; on | D．at; by |
The message is very important，so it is supposed _________ as soon as possible．
| A．to be sent | B．to send |
| C．being sent | D．sending |
It is worth considering what makes “convenience”foods so popular，and ______ better ones of your own．
| A．introduces | B．to introduce |
| C．introducing | D．introduced |
the patient’s progress was encouraging as he could ______ get out of bed without help.
| A．nearly | B．only | C．hardly | D．badly |
The library needs ______, but it will have to wait until Sunday.
| A．cleaning | B．be cleaned |
| C．clean | D．being cleaned |