---How long did it _____ you to work out the difficult maths problems?---I ______ about half an hour on it .
#56033
A
take ; took
B
spend ; took
C
spend ; cost
D
take ; spent
推荐题目
These days my classmates are busy ________ ready for the final exam.
#59825
A
to get
B
get
C
getting
D
got
—This camera is very similar ________ that one.—Yes. I have some trouble ________ their differences.
#59599
A
as; telling
B
to; telling
C
to; to tell
D
with; to tell
