— Susan, would you like to go hiking with us this afternoon?— I'd love to, but I study for a test.A. may B. have to C. can
--- Did you see My Love from the Star ( 《来自星星的你》)? --- Yes. I ____ it twice so far.
---- What do you think of haze(雾霾)? ---- It ____ us we all must try to do something to stop the air pollution.
This book is as _____ as that one. Each of them has 70 pages.
—Excuse me, but can I sit here? —_________.The man who sat here will he hack soon.
Each of the club members ________ready to help those who were in trouble.