当有英国朋友用“Good afternoon!”向你打招呼时,你应该回答:“_________”。 A. Good morning! B. Good afternoon! C. Good evening!
-- Look at the boy running on the ground. Is it David? -- It _______ be him. I saw him go to the teacher’s office just now.
They’ve got two machines, but ________ works well.
The teacher asked me to ____ the exercise books before we began to do our homework.
If I _______ you, I would say another student could do it better.
My father used to ______ me to concerts. But now, I have no time for concerts.