The doctor looks tired and sleepy ________ he stayed up late to look after his patients yesterday．（ ）
| A． |
because |
B． |
if |
C． |
unless |
Everybody, please keep ＿＿＿＿＿. It’s not allowed to make any noise in the reading room.
| A． |
fit |
B． |
warm |
C． |
dry |
D． |
quiet |
Ben watched Tom and Jerry yesterday. ＿＿＿＿＿cartoon made him laugh.
| A． |
A |
B． |
An |
C． |
The |
D． |
/ |
On the traditional Chinese calendar，Qingming, meaning clear and bright, is on the fourth or fifth day of April. （ ）
| A． |
falls |
B． |
jumps |
C． |
walks |
D． |
runs |
It’s rude not to say “Thank you” when you are given something. （ ）
| A． |
simple |
B． |
kind |
C． |
open |
D． |
impolite |
I’ve completely forgotten her name. We haven’t seen each other for over 10 years. （ ）
| A． |
partly |
B． |
kind of |
C． |
totally |
D． |
hardly |