We must not __________ more lights than we need.
A.turn on B.turn off C.put on D.put off
If you make friends with more people, you will not feel __________.
A.worried B.alone C.happy D.lonely
You must not drink coffee __________ tea in the evening if you want to sleep well.
A.or B.and C.as well D.as well as
Dad bought me a __________ of sweets as the prize.
A.pack B.pocket C.packet D.pockets
Water changes __________ ice when it is very cold.
A.into B.in C.for D.to
‘Has __________ ever seen electricity?’ Ben asked his Dad.
A.somebody B.anybody C.nobody D.no one
