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The birds ________.
sings b) are singing c) have sung
Dolphins ________ by sending sound waves through water.
communicate b) communicates c) have communicated
Scientists _____ a lot about animal communication.
are understanding b) understood c) understand
I _____ a project on animal communication at the moment.
am doing b) is doing c) is done
I ____to a magic show last week.
go b) was going c) went
Our teacher ____our chemistry tests yet.
doesn’t mark b) didn’t mark c) hasn’t mark
I ______to the cinema yesterday.
go b) went c) have gone
He ____at 5 o’clock yesterday.
were reading b) was reading c) read
How many scouts _____the movement this year?
have joined b) has joined c) were joined
He _____ training.
has finished b) were finished c) have finished
He ___animals and he can talk to them.
understands b) understanding c) has understood
We_____ some research on animal communication at the moment.
are doing b) done c) does
Our dog always ______when there is someone at the door.
barks b) bark c) barked
I ______any articles yet.
hasn’t published b) haven’t published c) is publishing
We _____to teach him to talk at the moment.
is trying b) tried c) are trying
Sorry I ____for ages.
hasn’t written b) haven’t wrote c) haven’t written
Yesterday we _______breakfast.
have b) had c) having
She____ from two till four yesterday.
cooked b) was cooking c) cook
We _____football with our friends last Sunday.
play b) playing c) played
We______ to my favourite song at 11 o’clock.
were listening b) was listening c) have listened