He was riding to school         it began to rain.
#58056
A
as
B
so
C
while
D
when
推荐题目
—Would you mind my___________ here?—___________. We can’t stand it!
#55152
A
smoke, OK.
B
smoking, Certainly not.
C
smoking, Of course.
D
smoking, You’d better not.
Jack does his homework ________ Mary. So they both always get good grades in the exams.
#57427
A
so careful as
B
as carefully as
C
so carefully as
D
as careful as