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―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】

 

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—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

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— When did you become a volunteer?
— Two years ago. I _____this group since then.

[     ]

A. have joined in
B. have taken part in
C. have been in
D. have been to

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— When did you become a volunteer?
— Two years ago. I _____ this group since then.

[     ]

A. joined
B. have joined
C. 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

 

 

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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

 

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