Children’s brains can’t develop properly_______ they lack protein.
#79950
A
when
B
since
C
because
D
unless
推荐题目
I was on the highway _______ this car went past followed by a police car. They ______ at least 150 kilometers an hour.
#32322
A
when; should have been driving
B
while; would have driven
C
as; could have driven
D
when; must have been driving
____ you read English easily, you’ll find it’s another cup of tea to make conversation in English.
#32011
A
Because
B
As though
C
Even if
D
Whether
I had no sooner got back to the kitchen ________ the door-bell rang loud enough to wake the dead.
#80244
A
when
B
than
C
as
D
while
—I’d like to invite you to my new house next weekend.—Thank you, but ____ I’ll have time I’m not sure at the moment.
#34533
A
when
B
as
C
in case
D
unless