My uncle ________ to see me. He'll be here soon.
A.comes | B.is coming | C.had come | D.came |
Don’t you think that______________ is no use promising without doing?
A.this | B.that | C.it | D.what |
The children were warned of not being too _______ about things you are not supposed to know.
A.strange | B.amusing | C.curious | D.satisfied |
Americans eat____ vegetables per person today as they did in 1990.
A.more than twice | B.as twice as many |
C.twice as many as | D.more than twice as many |
Students ______ remain in their seats until all the exam papers have been collected.
A.must | B.shall | C.may | D.can |
The atmosphere of the earth ______ us from the strong sun light.
A.prevents | B.keeps | C.stops | D.protects |