He was busy writing the exam paper , only ___once in a while to check the time.
#94095
A
to stop
B
stopping
C
to have stopped
D
having stopped
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David apologized for _______ to inform me of the change in the plan.
#91516
A
his being not able
B
him not to be able
C
his not being able
D
him to be not able
_____ by the sun, they walked towards their destination through the woods.
#92757
A
Guiding
B
Guided
C
Guide
D
To guide
I don’t think math
#97041
A
easily to be learned
B
easily to learn
C
easy to be learning
D
easy to learn
The house was reduced to _____by the fire _____by a cigarette butt.
#96874
A
ash, cause
B
ashes, being caused
C
ash, being caused
D
ashes, caused