—What ______the number of the students in your school?
—About four thousand and seven hundred. A number of them ______ from the countryside.
A. is; are B. is; is
C. are; is D. are; are
— Why don’t you buy a new car now?
—________ I don’t have enough money.
A. Because B. If C. Because of D. As
I think you won’t pass the coming English exam ______ you work hard from now on.
A. whenever B. although C. if D. unless
---Can you think of any_______tips to protect yourselves against crime?
---I have no idea.
A. safe B. safety C. safeless D. safeties
Nobody has the right to laugh at others _________ he is right.
A.until B. because C. though D. If
Look, there is “u” and “s” in the word university .
A. an ; an B. a; an C. a; a D. / ; a
