问题
Is Doctor Green________ORBIS doctor—No， he is________UNICEF volunteer. But he sometimes works with ORBIS.
A:carry on
B:put on
C:take on
D:turn on;
B:put on
C:take on
D:turn on;
正确答案是：
同类题型
The number of the students who attended the meeting yesterday ______ more than 400. [ ]
you erase the blackboard today, __________—But I did it yesterday.
_____on the grass _____singing and laughing.
Where ______cotton _____—Oh，I don’t know.Let’s ask MrWu.
Jane is __________ writer in this writing competition of Chongqing No. 1 middle school .