—Youlookverypale.You__________verytired.—Ididn’tsleepatalllastnight.
A、mustbeThenumberoftallbuildings__________greatlyinTianjininthelastfewyears.
Johnsaidhewouldpay__________secondvisittoChina__________nextmonth.
Our teacher __________ us to practise our spoken English as often as possible.
I don ’ t want to buy the sweater because I don ’ t like the color. __________, it is too expensive.
Where was __________ you met with the famous scientist?
