你向 Mr Black介绍Mary时,说A. Hello, Mr Black. I’m Mary. B. Hello, Mr Black. This is Mary. C. Nice to meet you, Mary.
My grandpa ____________ all chess games on TV. A. watches B. watch C. watchs
I can read ____________ I can't speak very well. A. and B. or C. but
My dad is good at ____________ bikes. A. repairing B. to repair C. repair
I want to ____________ the school team. A. join to B. join C. to join
____________ the long winter,spring is finally here. A. after B. Before C. After