stage:4 test:2

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1. I check my school bag _____ I leave home.

when
while
before
after

2. I _____ about the exam while I _____ to school

thought / went
was thinking / was going
was thinking / went
thought / was going

3. I _____ study very hard when I was a student.

must
should
have to
had to

4. I _____ a designer when I _____ school.

am / will finish
will be / will finish
am going to be / finish
am going to be / am going to finish

5. A bee _____ it loses its sting.

dies when
dies while
dies before
die after

6. I’ve come to school just _____ the bell was ringing.

before
after
ago
as

7. The teacher was in _____ I came into the class.

while
when
if
after

8. Our shadows get _____ the sun goes higher.

shorter as
short while
shorter if
shortest when

9. I am going out when it _____ raining.

will stop
stop
has stopped
stopped

10. He stepped off the bus _____ it was still moving.

before
after
ago
while

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