–The weather is very cold these days.        –              .
A. So do I                 B. So is it                 C. So it is

Look! There is a girl __________ the music over there.

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

It’s very nice_________you __________ my parents your best wishes.

– Hi, Sam. A nice day, isn’t it?
– Yes. ________ go to the park to relax ourselves?

--_____ did you ________the summer vacation?
-- It was terrible . I have too much homework to do .

---Mum, can I do the homework tomorrow?    ---You _____ finish it today.

Why don’t you________ Beijing duck?

It’s generous _______ them to donate money to UNICEF. They think it important _______ them to help poor children go to school.

----_______ go to the cinema together with me?
---- Good idea!