—_____ the population of the U.S.A. in 2005? —It _____ about 296 million.
A.What is; is B.What was; was C.How many is; was D.How many was; is
I used to . But now I get used to doing everything. I’m successful at last.
A.give up; keeping B.giving up; keeping
C.giving up; keep D.give up; keep
In our class _____ of the students _____ girls.
A.third fifths; is B.third fifth; are C.three fifth; is D.three fifths; are
—It seems _____ you like to work with children.
—Yes, they are so lovely.
A.that B.what C.to D.as
_____ the environment is important for human beings.
A.Take care of B.Taking care of C.Took care of D.Take the care of
He wants to be a doctor ________ his parents want him to _______ the army.
A.while, join B.when; join C.while; join in D.when; join in