He fell off the bike ________.
#41254
A
while he rode
B
while he was riding
C
while he is riding
D
while on bike
推荐题目
—Was it last summer you luckily got an opportunity to spend your holiday in Hawaii ?—Not me . John was the lucky dog .
#69226
A
that
B
when
C
which
D
what
I was about to sail away ______ I heard the sound of stamping and singing on the bank,
#68222
A
when
B
while
C
as
D
the instant
Dorothy was always speaking highly of her role in the play, ____, of course, made the others unhappy.
#72554
A
who
B
which
C
this
D
what
It was not until dark _____ he found _____ he thought was the correct way to solve the problem．
#68092
A
when; that
B
that; that
C
when; what
D
that; what
He has made another wonderful discovery,___ of great importance to science.
#73562
A
who I think it
B
which I think it is
C
that I think is
D
which I think is