The math problem is so hard． I really don’t know________.
A． how to do it B． how to do
C． what to do it D． where to do it
We played badminton ______ Sunday afternoon.
A． on B． in C． at D． For
–Have you ever ________ an amusement park?
--Yes, I have．I ________ Fun Times Amusement Park last year.
A． been to, have gone to
B． gone to, have been to
C． go to, went to
D． been to, went to
–Have you finished your homework yet?
--Yes, I ________ it twenty minutes ago.
A． have finished B． will finish
C． finished D． had finished
What a nice day! You should go sightseeing ___________ watching TV at home.
A． because of B． instead of
C． together with D． out of
You’ll ___________ swim when summer comes.
A． be able to B． can
C． could D． are able to
