.The teaching building is _________ by many trees, some ______ over 30 metres.
#4739
A
surrounded, measuring
B
surrounded, measured
C
surrounding, measured
D
surrounded, measure
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Jenny nearly missed the flight______ doing too much shopping. 
#5027
A
as a result of
B
on top of
C
in front of
D
in need of
It is the second time you _________ such a mistake.
#4524
A
will make
B
have made
C
made
D
had made
She doesn't know _________________ made her daughter so sad this morning.
#4816
A
what was it
B
why it was that
C
how that was
D
what it was that