Don’t be afraid of asking for information ______it is needed.
A. when B. after C. although D. unless
There great changes in our city in the past 10 years.
A. were B. had C. have been D. have had
Hurry up!The play for ten minutes.
A.has begun B.began C.has been on D.has been
Look! The tree is growing well. When______?
A. was it planted B. did it plant
C. will it be planted D. is it planted[
—How often does the boy go to see his granny?
— .
A.Twice a month B.Two times a month
C.Three time a month D.One time a week
The workers finished mending the road ____ this month.
A. in B. by C. at D. on
