Alan seems a lot taller than when I last saw him.— He ________. He’s grown a foot since you saw him in Shanghai.

the crowded bus ______, who was dressed in ablack suit, waving to a woman

下列各句中，加横线的成语使用恰当的一项是（ ）

The newcomer went to the library the other day in search of ____________he could find about Mark Twin.

TheUnitedNationsreportsthenumberof_____attacksagainstforeignershasdecreasedinthepastfewdays.[ ]