I don't know if she to my birthday party tomorrow. If she , I'll be very happy.A. comes; comes B. will come; comes C. comes; will come
—_________ nice trip to travel by air!—__________.
______ twenty minutes enough for you to get to the station?
In the past few years there ________ great changes in my hometown.
To make our city more beautiful, rubbish _________ into the river.
— Does your mother often _______ to you?— Yes. But she always ________ the same words.