It______last week that the haze(雾霾)in BeiJing caused many problems.A. was reportedB. is reportedC. reported
She’s never been to Sanya,______?
The teacher with his students _____ playing _____football at this tine yesterday.
You must be very tired. Why don’t you______ a rest?
All lights______after the students left the classroom.
Would you please drive faster ? My flight is _______. A. flying to B.taking out C,turning off D.taking off