Newton was sitting under an apple tree ______ an apple fell onto his head.
#92858
A
when
B
while
C
after
D
before
推荐题目
All the students don’t want ________ any misunderstanding among them.
#91980
A
there is
B
there are
C
there being
D
there to be
The news about the terrible flood there greatly discouraged __________ there for a sightseeing.
#94996
A
us from going
B
us to go
C
our going
D
our to go
.—Must I turn off the gas after cooking ? --Of course . You can never be ___ careful with that.
#95138
A
enough
B
too
C
so
D
very
---Can I speak to Tom, please? ---Yes. ____.
#94619
A
I am Tom
B
Tom is here
C
That’s Tom. Who are you?
D
This is Tom speaking