We do not want a trade war，but we are not afraid of fighting _____．（ ）
A．itB．oneC．thatD．this
—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
—Simon，we can save energy by riding shared bicycles.
—That's true.________，using air conditioners less is also a good way.（ ）
A．HoweverB．OtherwiseC．AnywayD．Moreover