Why are you in such a hurry, John?—There _______ an NBA basketball game in ten minutes.
We should never ____till tomorrow what we can do today.
What do you think of the hotel?—There are no customers in the hotel. It ______ have the friendliest service.
Did you find __________very interesting to play yo-yo?
______ have you studied English?—Not long, just for a month.[ ]