16.All the time he____ _____(complain)about everything.I can't stand him.16.All the time he____ _____(complain)about everything.I can't stand him.18.I feel sick now.I_______ _____(read)books the whole afternoon.19.You look frightened.What_____ (happe

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16.All the time he____ _____(complain)about everything.I can't stand him.
16.All the time he____ _____(complain)about everything.I can't stand him.
18.I feel sick now.I_______ _____(read)books the whole afternoon.
19.You look frightened.What_____ (happen)to you?

is complainning
have read
happened

is complainning
have read
happened

is complainning
have read
happened