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
—Bad luck! I lost_________new pen yesterday.
—Don’t worry! I’ll lend_________to you.
A.my;me B.mine;my C.my;mine
I think this is_________useful book.Can I have_________look?
A.a;a B.an;a C.A;the
