Be careful not to _______ anything behind. —Thanks. Ihave everything in my bag.

He hasn’t slept at all for three days.________ he is tired out. [ ]

It is I who going to have a trip to New York this summer.

;I stayed at a hotel while in NewYork." —"Oh, did you You _____ withBarbara."

_____himself with routine office tasks, he had no time to accompany his children.