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He was just falling asleep _____ there was a loud knock on the door.
#56552
A
while
B
when
C
then
D
until
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They were walking ________ a forest after they swam _______ the river .
#57029
A
through, cross
B
across ,through
C
through, across
D
across, across
 — What’s your new math teacher like?— Oh, he is very kind, ________ he looks serious.
#56022
A
though
B
because
C
if
D
and
—________is the apple? —It’s yellow.
#56234
A
What
B
What colour
C
What’s
D
How colour
We had to stay at home ______ it was raining hard.
#56188
A
of
B
because
C
because of
D
as
“Show me your ticket, ________ I won’t let you in.” the guard(保安) said angrily.
#56497
A
so
B
or
C
but
D
and