______ with a gradual rise of seawater, some nations in the Pacific are considering moving in the near future.
Tony was very unhappy for ______ to the party.
____ to hospital in time, the wounded soldiers were saved at last.
It’s time that I ______ home, but I’m enjoying myself, so I will stay here a bit longer.
–Sorry, Professor Smith. I didn’t finish the assignment yesterday. --Oh, you _____ have done it as yesterday was the deadline. A. must B, mustn’t C, should D. shouldn’t
I can’t send her an invitation. I wish I _______ her new address.