It's hard for us to say goodbye______ we have so many happy days to remember．（ ）
| A． |
so |
B． |
because |
C． |
although |
D． |
until |
I still remember my first teacher we haven’t seen each other for many years
| A．for | B．because | C．since | D．though |
I’m sorry I’m very busy now.If I ______ time, I ______ come to see you.
| A．have, would | B．had, will |
| C．were, will | D．have, will |
If Tom_________ the game, he will be the__________.
| A．win; winner | B．will win; winner |
| C．wins; winning | D．wins; winner |
--- Hurry up! The bus is coming.
--- Wait a minute.Don’t cross the street the traffic lights are green.
| A．after | B．until | C．while | D．Since |
— Was it under the tree ________ you were away talking to a friend?
— Sure.But when I got back there, the bike was gone.
| A．that | B．where | C．which | D．While |