I didn’t understand ___________. So I raised my hand to ask.
A. what my teacher says
B. what did my teacher say
C. what my teacher said
—Who is the girl under the tree?
— I’m not sure, It _______ be Molly’s cousin Laura.
A. must B. might C. can’t
—Do you think there are ________ new words in this passage?
—Yes, that’s right. I’ll ________ first .
A. too much, look them up
B. much too, look them up
C. too many, look them up
About 70__________ of the earth _________covered with water.
A. percents, are B. percent, are C. percent, is
By the time I _____back to school, the bell_________.
A. got, had rung
B. get, has rung
C. have got, had rung
The young from different countries_______ a lot ___________common.
A . have; in B. has; on C . has; in
