[ Vocabulary ]
become impossible to see or hear any more
A. invisible
B. disappear
C. invincible
D. gone

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Grammar › ViewTrue or False – the following sentence is an example of a simple sentence:
If you hear the cat purring, you will know that he likes you.
_
A. TRUE
B. FALSE
Grammar › View
The water heater is _____ again, so I think that we should call a plumber to get it fixed properly.
A. taking on
B. falling back
C. playing up
D. breaking out
Vocabulary › ViewThousands of people _________ in the Istanbul Marathon
A. chance
B. take place
C. arrive
D. take part
Modals › View
Mr. Wu: Hi, Mark. Where’s your dad?
Mark: Oh, he ______________ to work because there was an emergency.
A. had to went
B. musted go
C. had to go
