﹣3﹣D printing could be used to build a house in less than 24 hours．
﹣It amazing．It's my first time to get to know this．（ ）
A．soundsB．smellsC．tastes
When we read a piece of news online， we'd better make sure it's _____before sending it to others． If not， we may spread something bad．（ ）
| A． |
true |
B． |
special |
C． |
strange |
﹣Parents should let children _____home and find more about the world．
﹣After all， birds should fly freely in the sky．（ ）
| A． |
leave |
B． |
enter |
C． |
reach |
You can't decide whether or not you like something until you try it， _____it's important to try something new．（ ）
| A． |
but |
B． |
or |
C． |
so |
﹣﹣﹣ New kinds of morning exercise like doing dancing are becoming popular．
﹣﹣﹣ _____ can help us keep fit and have fun．（ ）
| A． |
We |
B． |
You |
C． |
They |
Gina went to the doctor's yesterday and she ______ about the importance of good living habits once more．（ ）
| A． |
told |
B． |
is told |
C． |
was told |
D． |
has told |