Choose the best answer to complete the following sentences.
Disconnect your PC...............the power supply before you take the case off.
A.from
B.with
C.up
D.off

Choose the best answer to complete the following sentences.
His lessons are always................., but it is mainly because his experiments always go wrong.
A.fascinating
B.fascinated
C.fascinate
D.fascination

Choose the best answer to complete the following sentences.
This program is very different................the one you’re using at the moment.
A.with
B.between
C.from
D.in

Choose the best answer to complete the following sentences.
Whenever there was a question in a science.................about what happens when sodium reacts with water, I always got the right answer.
A.examine
B.examiner
C.examinee
D.examination

Choose the best answer to complete the following sentences.
These toilets have been out of...................for a week now. When are they going to fix them?
A.chance
B.order
C.opinion
D.future

Choose the best answer to complete the following sentences.
I’m going to throw these old shoes .................... . I never wear them anymore.
A.off
B.down
C.away
D.back

Choose the best answer to complete the following sentences.
Dean was late for physics again so he..............up a story about being attacked by a cat!
A.took
B.created
C.wrote
D.made

Choose the best answer to complete the following sentences.
Jenny pulled...............the handle so we can’t open the cupboard now.
A.off
B.in
C.away
D.over

Choose the best answer to complete the following sentences.
Modern ................makes all our lives easier.
A.equipment
B.research
C.program
D.technology

Choose the best answer to complete the following sentences.
The lights are................- they come on when you enter the room and go off when you leave.
A.unique
B.exact
C.plastic
D.automatic