— 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
New medicines and instruments ______ every day to extend life.
#105334
A
develop
B
are being developed
C
are developing
D
have developed
I’m glad to see your health ______ after the operation.
#105301
A
picking up
B
setting up
C
taking up
D
getting up
—What's that noise?—Oh，I forgot to tell you.The new machine ________.
#105313
A
was tested
B
will be tested
C
is being tested
D
has been tested
______, your composition is full of mistakes.
#105329
A
Writing carelessly
B
Written carelessly
C
Having written carelessly
D
Being written carelessly
一Have you handed in your schoolwork yet?一Yes,I have.I guess it _____ now.
#105339
A
has graded
B
is graded
C
is being graded
D
is grading