3.—Did you practice__________. English this morning?—Yes,but I forgot __________ the classroom.
A . speak,cleaning
B . to speak,to clean
C . speaking,cleaning
D . speaking,to clean
正确答案:
D
3.—Did you practice__________. English this morning?—Yes,but I forgot __________ the classroom.
A . speak,cleaning
B . to speak,to clean
C . speaking,cleaning
D . speaking,to clean
正确答案:
D
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