Tom together with two of his classmates _____ new tricks on the skating ramp.
A. has tried
B. have tried
C. is trying
D. are trying
查看答案
As you can see, the number of cars in roads ______ rising these days.
A. was keeping
B. keep
C. keeps
D. were keeping
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
How did your students express their thanks to you on Teachers' Day?A gift, together with many flowers _____ sent to me by my students.
A. is
B. are
C. was
D. were
Some equipment as well as a number of maps and books _____ to the area since the earthquake occured.
A. has been offered
B. have been offered
C. is being offered
D. are being offered