The latest mobile phone_________in China.
A.will make B.is made C.has made
John really doesn’t know_________.
A.whether has his father bought him
B.what has his father bought him
C.what his father has bought him
The black shirt is as_________as the yellow one.
A.cheap B.cheaper C.cheapest
—_________work it is!
—But we will try our best to finish it on time.
A.What easy B.What hard C.How hard
Science is difficult_________interesting.
A.but B.and C.or
The air pollution is a serious_________in our country. Our government is trying to solve it.
A.choice B.program C.problem
