Welcome to our club.You will be accepted as members ________ your age and sex.[ ]

Bob is ________ eleven-year-old boy, but he knows a lot about the Internet.

1． In North America, most students go to school______ the school bus.

Have you ever traveled abroad?–SureI ____ the language of English in the USA two years after I graduated from the university

I have very good grade in English this time .—- _______________!