In the war against COVID﹣19,the Chinese government is making efforts to make sure the vaccine(疫苗)is _________taken all over the country.
hardly
deeply
widely
Dad,____ can we reach Huangguoshu Waterfall?
In about an hour.( )
how long
how soon
how often
how far
Paper ____ first ____ about two thousand years ago in China by Cai Lun.( )
A.is; inventingB.is; invented
C.has; inventedD.was; invented
____ noise pollution, and we can live in a quiet environment.( )
Prevent
Preventing
Prevented
To prevent
Your new watch is so nice! When did you buy it?
In October. I ____ it for two months.( )
had
bought
have had
have bought
Linda has ____ to Paris. How can I get in touch with her?
Don't worry. She will call you as soon as she ____ there.( )
been;will get
been;gets
gone;will get
gone;gets