( )I am _____ an email to Mum. A. send B. sending C. to send
—_______is your grandma? —She’s fine. Thank you.
There are ________ months with _______ days in a year.
—Do you have ________ shells? —Yes, I have ________.
The Great Wall is about 2,000 years_______.
You’ll be late ________ you don’t hurry.