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Cross the road carefully, _________ you’ll keep yourself safe.
#57533
A
so
B
or
C
but
D
and
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Jim came into the room ______ Millie sat down on the chair last night.
#55638
A
as
B
while
C
when
D
since
 — 　　　 times did you do exercise last week?   — Twice.
#56327
A
How often
B
How much
C
How many
D
How long
He met many problems------ he was going over his lessons.
#57608
A
before
B
as soon as
C
since
D
while
Tom rushed into the house______ his mother was cooking.
#58337
A
as
B
before
C
while
D
after
Go downstairs,        stand in line on the playground as soon as possible.
#56406
A
and
B
but
C
so
D
or