The man in blue is old to finish the difficult task in such a short time．（ ）
| A． |
too |
B． |
very |
C． |
so |
D． |
such |
_______ rapid progress our country is making in science and technology!
So it is． We are enjoying the convenience of modem technology．（ ）
| A． |
How |
B． |
What |
C． |
What a |
D． |
What an |
As common people， the medical workers choose to stand out and________others without thinking twice． They are the most beautiful angels．（ ）
| A． |
protect |
B． |
protecting |
C． |
admire |
D． |
admiring |
It's reported that the 2020 Tokyo Olympic Games have been_________until July 23， 2021．（ ）
| A． |
put up |
B． |
put down |
C． |
put on |
D． |
put off |
A 12﹣year﹣old boy from Hunan invented a new kind of window because of his_______．The window can prevent children from falling out．（ ）
| A． |
communication |
B． |
celebration |
| C． |
honesty |
D． |
creativity |
We will never see Kobe play another basketball game，_______we will always remember him．（ ）
| A． |
because |
B． |
unless |
C． |
but |
D． |
if |