Except for working hard， we should give more attention to proper exercise and enough sleep． ______ ， health always comes first．（ ）
| A． |
For example |
| B． |
After all |
| C． |
So far |
—It is important for us to wear seat belts while driving cars.
—________．（ ）
A．That's a good ideaB．That's all right
C．I can't agree moreD．Take it easy
—A celebration for the 100th anniversary of the founding of the CPC（中国共产党） will be held，and I'm wondering ________．
—Let's have a discussion about it this afternoon.（ ）
A．how will we get there
B．which clubs will take part
C．what we could do for it
D．whether can we do something for it
—Good news!The Underground Line 1 in Nantong ________ to come into service soon.
—That's great!Transport will become much easier for us.（ ）
A．will be expectedB．is expected
C．expectsD．is expecting
The community worker is patient enough ________to the old how to use Health Code（码）.（ ）
A．explainB．explainsC．to explainD．explaining
—Miss Zhang seems quite familiar with Yunnan Province.
—Don't you know？She ________ a town school there as a volunteer teacher for over 2 years.（ ）
A．is inB．has gone to
C．has been inD．has been to