—___________ noise in class, Mike! You must keep quiet.
—Sorry, I won't do it again.
A.Don't make B.Doesn't make C.Not make D.Isn't making
—Jack studies very hard before the final exam.
—-Yeah! I think he will _________get good grades.
A.loudly B.clearly C.lively D.certainly
—The sky looks terrible!
—It will be worse __________we take action to protect the environment.
A.unless B.if C.when D.after
—How many people will come to the party this evening?
—About 15 people _____________.
A.were invited B.invited C.will invite D.invite
—____________interesting science class we had today!
—Yes! Now I know more about how the earth and the sun moves!
A.How B.What C.What a D.What an
—How long has Mr. Brown _________________?
—Since two years ago.
A.came to Jinan B.left the U. S. C.started his job D.stayed here
