It’ time _______ a picnic. We can’t help _______.
Do you want _______ my pen pal? A. to B. be C. to be
The food was different ________ Chinese food in China. A. for B. from C. of
—Is this a nice school? —__________.
How many ________ are there in the school?
—Boys and girls , sit down ,please. —____________________.