Mr. Smith, who often helped passers-by repair their bikes, said that what he did was not paid but _______.
#10771
A
relevant
B
optional
C
suitable
D
voluntary
推荐题目
I don’t have to do it and _________ do you. We’re both too busy.
#13713
A
more than
B
no more than
C
once more
D
no more
(2013·重庆部分学校高三联考)At the edge of the grass，there's a sign saying“________ the grass”．
#11506
A
Keep up
B
Keep away
C
Keep off
D
Keep back
—Which module is the most difficult in this book?— I think _____ module.
#12602
A
ninth
B
the ninth
C
ninth
D
the ninth
—OK，I've had enough of it.I give up.—You can't ________ your responsibilities.
#11524
A
run off with
B
run up against
C
run out of
D
run away from