问题

John _________ a doctor when he _________ up
A:are; grow
B:is going to be; grow
C:is going to be; grows
D:is; grow
B:is going to be; grow
C:is going to be; grows
D:is; grow
正确答案是:
同类题型
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It was in the beautiful park____was located by the sea____we first met our new Chinese teacher.
About _________ of the teachers in tour school were born in ________.