The _________ of the Sanxingdui Ruins site（三星堆遗址）shocked the world.（ ）
A．discoveryB．development
C．disbeliefD．difference
David fell fast asleep while he______a newspaper．（ ）
| A． |
reads |
| B． |
has read |
| C． |
was reading |
As students， we should go over lessons and do our homework______．（ ）
| A． |
carefully |
B． |
finally |
C． |
slowly |
We didn't cut the cake______ Amy made a wish．（ ）
| A． |
because |
B． |
until |
C． |
if |
Excuse me，______？
It's June 26 th.2019（ ）
| A． |
what is the date |
| B． |
whose is the bike |
| C． |
how is the weather |
Mr． Black's speech is______．It helps us have a better understanding of life．（ ）
| A． |
silly |
B． |
awful |
C． |
excellent. |