问题
_________to see us, the professor gave us a warmwelcome
A:calledon
B:called up
C:called in
D:called for
B:called up
C:called in
D:called for
正确答案是：
同类题型
To make us healthier, the teachers often see us ______on the playground.
Mr.Brown is ______America,but now he is ______China.
The little girl_____the guest and her face turned red. [ ]
David ______to come here and have supper with us today. I think he will come _______ a minute.
Allow children the space to voice their opinions, ____ they are different from your own