He is going to work hard get good grades math. [ ]

Mr. Green left _________ suddenly _________ he came.

Last month I travelled across the Sahara Desert bycamel with some locals. Whatamazing experience!

Be careful. The ice is not thick enough ___________. — Thanks. I ___________.

What do you want to be in the future,Linda? ——I want to be ______ pilot like Wang Yaping. Working and giving lessons are so interesting and exciting.