Is this the first time you _____Chengdu ?—-No. But the first time I _____here, the city wasn’t so beautiful.

Mr. Smith __________ is smoking is looking for________ she lost yesterday. [ ]

On March 11, 2011 _____ earthquake hit Japan.

Do you know the girl______Mary Smith? —Yes. She’s my friend.

Jack arrived ________ Shanghai ________ the evening of June lst. [ ]