问题
选择题
It ________ Jimmyand his classmates about half an hour ________ the classroom.[ ]
A. spends….to clean
B. takes….to clean
C. costs….to clean
D. spends….cleaning
答案
答案:D
It ________ Jimmyand his classmates about half an hour ________ the classroom.[ ]
A. spends….to clean
B. takes….to clean
C. costs….to clean
D. spends….cleaning
答案:D