This is one of the most interesting cities I have ever visited．（ ）
| A． |
who |
B． |
that |
C． |
which |
D． |
where |
Life is very valuable，so we should always remember safety come first Wherever we are．（ ）
A．canB．mustC．may
As we all know， Heze is ___ its peony（牡丹）． It attracts millions of visitors from home and abroad every year．（ ）
A．popular withB．well﹣known as
C．famous for
Don't come in ____ you are called．（ ）
A．untilB．becauseC．Since
After talking happily with my new friend， I gave her my WeChat number and she gave me___．（ ）
A．herB．hersC．Herself
We believe one belt，one Road （一带一路 ）will help China improve the with lots of countries．（ ）
A．relationshipB．situation
C．environment