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You should study harder______ it is too late to catch up.
#55841
A
if
B
when
C
after
D
before
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Jack,          ., or you will get heavier.
#57407
A
doesn't play sports any more
B
doesn't eat so much meat
C
don't play sports any more
D
don't eat so much meat
—     is your grandmother?—She is 80years old.
#56300
A
How
B
How old
C
How many
D
What
 There goes the bell. Hurry up, _______you’ll be late for class.
#58501
A
and
B
or
C
so
D
but
—_______he is very old, he works very hard. — Wow, great. I should learn from him.
#56197
A
Although
B
However
C
Because
D
So
After school he didn't go home. ______, he went to the playground.
#57039
A
But
B
While
C
Instead
D
Instead of