33.___ is this coat made of?
A. What B. When C. Where D. How
32.They ___ day and night.
A. are made work B. are made to work
C. made to be worked D. are making to work
31.What ____ the forest in China in the last 10 years?
A. has happened to B. was happened
C. has happened at D. has been happened to
30.He wanted to know what ____ her.
A. happened on B. had happened to
C. was happening at D. had happened with
29.The news was sent to China ____ Japan ___ satellite.
A. in,of B. of, in C. from, by D. by, from
28.What is this kind of machine used _____?
A. to B. by C. for D. of
27.People must _______down too many trees.
A. stop to cut B. stop from cutting
C. be stopped from cutting D. be stopped to cut
26.What day is it ? Why are you ______?
A. dress neatly B. dress, neat C. dressed, neatly D. dressed neat
25.All these field ___ with water in three years.
A cover B. are covered
C. will be covered D. will cover
24.People must ___ waster water into the river.
A. stop from pouring B. stop to pour
C. be stopped from pouring D. stop to be poured