The population of China ________ 1.3 billion，and 80% of the population________farmers.
| A．are; is | B．is; is |
| C．is; are | D．are; are |
We can observe that artificial intelligence has already made a(n) ___________on our lives in many ways.
| A． |
statement |
B． |
impact |
C． |
impression |
D． |
judgment |
-My son got a full scholarship to his dream university!
-Wow, ___________! What's he going to study?
| A． |
good for him |
B． |
go for it |
C． |
what a coincidence |
D． |
all the best |
___________ all the problems, several of the players produced excellent performances.
| A． |
According to |
B． |
Instead of |
C． |
In addition to |
D． |
In spite of |
____________ to think critically is an important skill today's children will need for the future.
| A． |
Learn |
B． |
Learned |
C． |
Learning |
D． |
Having learned |
A study shows the students who are engaged in after-school activities are happier than _________who are not.
| A． |
ones |
B． |
those |
C． |
these |
D． |
them |