_______ has donated much money to the charity .

.After John stayed in shanghai for a couple of days, he got the impression _________the city was very fascinating.

The policeman is helping the old woman _____ a heavy bag on her back. [ ]

It worried her a bit _____________ her hair was turning grey.

You’ve dropped ________ “s” in the word “necessary”.— Oh, ________ letter “s” is doubled.