Oh, dear. Remember ______ your toys with Helen. She is your best friend.

________the population of Shandong Province?—I can’t say exactly, but I know it ________ about 80 million

Teenagers like reading the books ________ are written by Guo Jingming.

I’ll play baseball, because it can_______.

Mike ______ a lot of work for the poor areas since he worked in Africa.