—Your new sweater looks beautiful. Is it made ________ wool?
—Yes, of course. And it is made ________ Australia.
A.from, in B.of, by C.of, in D.from, by
Students would like to stay in ________ air-conditioned classroom in summer.
A.a B.an C.the D./
Nowadays, there is no __________/kən'dʌktə(r)/ on most of the buses in our city.
The hotel only __________/prə'vaɪdz/ free parking for its guests (顾客) .
The __________/nəʊtɪs/ on the wall said 'No smoking'.
What will __________/'hæpən/ if we have no forests?