—Tom, do you know if Sam ________to my party next week?—I think she will come if she________ free.
I saw him _____ in.
-What's the matter ________you? -We have___________.
______I take some photos in the hall ?No, you _________
You can find ___ difficult to learn English.
The radio is too noisy. Would you please_________a little? A. turn it down B. turn it on C. turn it off