He was busy writing a story, only _____once in a while to smoke a cigarette.
#92270
A
to stop
B
stopping
C
to have stopped
D
having stopped
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_______ of danger in the street at night, she had to go home with a friend_______ her.
#91475
A
Warned; accompanied
B
Having warned; accompanying
C
Warning; accompanying
D
Having been warned; accompanying
He used to ______ games on the Internet, but now he is used to _______ a walk after supper. 
#96528
A
play; taking
B
playing; take
C
play; take
D
playing; taking
Mark has come in his raincoat and boots, _____ for rain.
#89820
A
preparing
B
prepared
C
to prepare
D
prepares