It’s high time that we _____ measures to stop selling polluted vegetables.
| A．must take | B．take | C．took | D．will take |
Try to ______ the children down. They’re too excited.
| A．put | B．calm | C． pull | D．push |
－Do you know our town at all?
－No, this is the first time I ________ here．
| A．was | B．am coming | C．came | D．have come |
It wasn’t until nearly a month later ________ I received the manager’s reply．
| A．since | B．when | C．as | D．that |
Someone is ringing the doorbell．Go and see ________
| A．who is he | B．who he is | C．who is it | D．who it is |
My sister has some trouble ______spelling some of the words in American English, while I have some difficulty ________ my pronunciation．
| A．with; with | B．in; with | C．with; in | D．in; in |