There's no ______ whether it will rain or not.
A. known
B. knowing
C. know
D. knew
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I think it is a waste of time __ to Peter. He never answers anybody.
A. talk
B. talked
C. to talk
D. talking
It is not worthwhile your ___angry with him.
A. get
B. getting
C. got
D. to get
____ can be a terrifying experience.
A. Being chased
B. Chased
Chase
D. Chasing
There is no _that he is very handsome.
A. denied
B. deny
C. denying
D. to deny