You should be working instead of _________ there in bed.
A. lying B. lie C. lies D. to lie
You should try your best ____ your English.
A. to improve B. improving C. improves D. improve
Because of the rain, we must ________ holding the sports meeting.
A. give up B. take off C. put off D. give away
An accident ________ on Zhongshan Road yesterday afternoon.
A. has been happened B. was happened C. is happened D. happened
Jack wanted to read more, so he asked his friend if there was ________ to read.
A. something easy enough B. something enough easy
C. enough easy something D. easy enough something
So far, the moon ________ by man already.
A. is visited B. will be visited C. has been visited D. was visited
