Doctors advise us ________masks on such hazy days.
A.wear B.wearing
C.to wear D.worn
----Who _____the good idea at the meeting? ----Tom did.
A.thinks up
B.looked forward to
C.came up with
D.dreamed of
---Tom, did you go to Sally’s party yesterday evening?
----No, because I _________.
A.am invited
B.was invited
C.am not invited
D.wasn’t invited
The foreigners find _____difficult to learn Chinese well.
A.this B.that C.it D.those
Our English teacher is very popular among students because he always keeps his classes _____.
A.lively B.friendly
C.freely D.happily
_______everyone else brings a gift to the party?
A. What if B.What about
C. What will D. What would