The athlete fell off his bike when he _____ down the hill. 
#100360
A
cycled
B
was cycling
C
had cycled
D
is cycling
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All the task __________ ahead of time, so they decided to go on holiday for a week.
#102577
A
having finished
B
had finished
C
having been finished
D
had been finished
He hasn't come yet.What do you consider _______ to him?
#104390
A
happens
B
has happened
C
happening
D
to happen
What a big snake! It ________ one meter and a half in length.
#102850
A
is measured
B
is measuring
C
measures
D
will measure