It _____ last week that the haze(雾霾)in Beijing caused many problems.

I stand up and see many students_______out of the classroom.

Miss Yao ______________ Tom two months ago.

How long have you been in this office?—Just a few minutesMy cousins__________here together with me

Excuse me, where is Children’s Park, please—Take the No. 5 bus and _____________ at the fifth bus stop.