Peter ________ come with us tonight, but he isn't very sure．

1. A.
   must
2. B.
   may
3. C.
   can
4. D.
   will

Peter _____ come with us tonight, but he isn't very sure yet. 

A. can    B. may    C. must    D. will  

--- Did Peter come back early last night?

--- Yes. It was not yet eight o’clock _________ he arrived home.

A. when            B. that           C. until           D. before

Peter ____ come with us tonight , but he isn''t very sure yet .

A . must B . can C . may D . will

--- Did Peter come back early last night?
--- Yes. It was not yet eight o’clock _________ he arrived home.