--- Betty, could you answer my question?
--- Sorry, Mr. Green. I didn’t hear you. I _______ about something else.
A．was thinking B．am thinking C．think D．thought
--- I won’t have time to go shopping with you this afternoon.
--- But you ________ me yesterday.
A．ordered B．mentioned C．promised D．knew
His father often tells him _______ in that river because it’s dangerous.
A．not to swim B．not swim C．swim D．to swim
--- The office isn’t _______. Will you please turn on the lights?
--- Sure.
A．enough bright B．brightly enough C．enough brightly D．bright enough
--- I like the program Man and Nature.
--- But I _______Sports News.
A．want B．choose C．prefer D．miss
--- Who helped you clean the classroom yesterday?
--- _______. I cleaned it all by myself.
A．Everybody B．Somebody C．Nobody D．Anybody
