— What a nice model car! — Thanks a lot. It me the whole day to make it.
----Who _____the good idea at the meeting? ----Tom did.
---Tom, did you go to Sally’s party yesterday evening?----No, because I _________.
The foreigners find _____difficult to learn Chinese well.
Our English teacher is very popular among students because he always keeps his classes _____.
_______everyone else brings a gift to the party?