问题补充：
It has been announced by our provincial government that another two medical teams will be sent to the injured people in the severe earthquake.
A. join to
B. join in
C. take part in
D. attend
答案：
A. join to
B. join in
C. take part in
(答案→)D. attend
解析：句意： 我们省政府宣布，另外两个医疗队将被派往地震重灾区照顾受伤人员。A. join to 连接到；B. join in参加，加入；C. take part in参加，参与；D. attend出息，照顾，招待。根据句意选Ｄ
