—What ______the number of the students in your school?—About four thousand and seven hundred. A number of them ______ from the countryside.
The math problem is _______ hard for me ______ work out.
----How do you learn English, Toby? ---I often practice English _____ talking _____ my American friends.
—Would you please help me with my drawing skills? — _________. You can come to my studio every Saturday.
Could you tell me ________a meeting in Guangzhou next week ?
I think ___not difficult __ reading English loudly every morning