见到客人站着,你应说,A.Sit down.please.B.How are you?C.I'm fine,too.
What would you like _____? A. drink B. to drink C. drinking
Who ____ thirsty? A. am B. is C. are
Danny is writing postcards ____his mother. A. to B. on C. in
May I help you ___ it ? A. to write B. write C. Both A. and B
We put the letter in ______ . A. a postcard B. an envelope C. a stamp