— Why do you do volunteer work in the North-West?— I___ to improve the lives of the children there through my efforts．
#99543
A
was trying
B
have tried
C
am trying
D
tried
推荐题目
–Have you handed in your schoolwork yet? --Yes, I have. I guess it ________ now.
#99519
A
has graded
B
is graded
C
is being graded
D
is grading
Many parents prefer kindergartens to spend more time teaching math and Chinese to help their kids _______ an early lead in primary school performance.
#99877
A
bring up
B
take up
C
build up
D
add up
My parents have promised to come to see me before I _____ for Africa.
#100358
A
have left
B
leave
C
left
D
will leave
—Peter, hurry up! You ______ on the phone.—Oh, I ______. Thank you.
#101405
A
are being wanted; will come
B
are wanted; am coming
C
want, come
D
will be wanted; should come