I tried to make the baby_________by singing, and that worked well at last.
A.stop crying B.to stop crying C.stop to cry
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