— Why do you do volunteer work in the North-West?— I_______ to improve the lives of the children there through my efforts. 
#105303
A
was trying
B
have tried
C
am trying
D
tried
推荐题目
Though the medicine for my disease______, I should often______ at home or in the open air.
#105327
A
works out; work out
B
is working; work out
C
is working out; work
D
works; work
— ________ for the glass! —It’s OK. I’m wearing shoes. 
#105336
A
Look out
B
Walk out
C
Go out
D
get out
—Why don't we choose that road to save time?—The bridge to it ________.
#105308
A
has repaired
B
is repaired
C
is being repaired
D
will be repaired