Someone knocked at the door he was doing his homework.
#55271
A
after
B
when
C
until
D
as soon as
推荐题目
In a nature reserve , it’s ___ to hunt ______ fish there .
#55961
A
important , and
B
unable , but
C
incorrect , or
D
correct , or
--- I hear ____ your grandpa ____ your grandma like watching Beijing Opera.--- Right, just as many old people do in Beijing.
#58422
A
both; and
B
either; or
C
neither; nor
D
not only; but also
—Let me help you carry the box.—No, thanks. It’s big, __________ there is nothing in it.
#55894
A
and
B
so
C
but
D
Because
—Why was he late for school?— ________his bike was broken on the road.
#56816
A
Since
B
Because
C
As
D
Because of