This is Mr. Smith. _______ help I worked out many difficult problems.
#69258
A
whose
B
with whom
C
who
D
with whose
推荐题目
--- Did you ask the guard _______ happened? --- Yes, he told me all _______ he knew. 
#73789
A
what; that
B
what; what
C
which; which
D
that; that
They want to know ______do to help us.
#72727
A
what can they
B
what they can
C
how they can
D
how can they
You will be late for school ________you hurry up.
#68226
A
if
B
since
C
when
D
Unless