Who is going to ______ the lecture to be held on Sunday?
Hey, boy. You can’t cross the street now. You have to wait _______ the traffic lights turn green.— Oh, sorry and thank you.
How do you find the concert in the Beijing Grand Theatre last night? —-_______But the conductor was perfect
_______ you got to know my telephone number— Through a friend of yours.
My friend Jack always ________ a smile ________ his face.