Unit4 Wildlife protection(二)课后练习
主讲教师：麻雪玲 北京市英语教师
题一：
It is reported that many a new house _______ at present in the disaster area.
A. are being built B. were being built
C. was being built D. is being built
题二：
With more forests being destroyed, huge quantities of good earth ______ each year.
A. is washing away B. is being washed away
C. are washing away D. are being washed away
题三：
—Why didn't they drive there on time?
—Be cause the road _______.
A. had been mended B. was being mended
C. is being mended D. would be mended
题四：
Trees ______ here at this time last year.
A. is being planted B. would be planted
C. were being planted D. had been planted
