I ______ my clothes when the telephone rang.
A. washed
B. was washing
C. has washed
The wounded soldiers were moved because ________.
A. they would go back to the front very soon
B. they had no trouble walking here and there
C. Dr. Bethune took good care of them and had them as his own family members
Wu Dong is __________ in our class.
A. taller than any students
B. taller than any student
C. taller than any other student
表达式18/4*sqrt(4.0)/5值的数据类型是( )
A. int
B. float
C. double
D. 不确定
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