Including this trip, how many times has Janet been to Paris?
A. one
B. two
C. three
D. four
查看答案
Tom had never visited Europe before this trip.
A. TRUE
B. FALSE
How many countries had Tom and Janet visited before returning to Canada?
A. 3
B. 4
C. 5
D. 6
要在 interest.htm 这个网页中插入 sunset.gif,应使用____属性。