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26．―When did you become a volunteer? ―Two years ago．I this group since then．A．have joined in B．have joined to C．have been in D．have been to 【查看更多】

 

題目列表(包括答案和解析)

--When did you become a volunteer for the elderly?

-- Two years ago. I ______ this group since then.

A．joined

B．took part in

C．have joined

D．have been in

 

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--When did you become a volunteer for the elderly?

-- Two years ago. I        this group since then.

A．joined

B．took part in

C．have joined

D．have been in

 

查看答案和解析>>

--When did you become a volunteer for the elderly?

-- Two years ago. I        this group since then.

A．joined

B．took part in

C．have joined

D．have been in

 

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--When did you become a volunteer for the elderly?
-- Two years ago. I ______ this group since then.
A．joinedB．took part inC．have joinedD．have been in

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--When did you become a volunteer for the elderly?
-- Two years ago. I        this group since then.
A．joinedB．took part inC．have joinedD．have been in

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