单词辨音 (5分)
Battery-operated slippers are used________seeing in the dark.
The Eiffel Tower________by the French engineer Alexandre Gustave Eiffel for the Paris Exposition(巴黎博览会)of 1889.
—I won’t come to the party unless Sue________,too.—You mean if Sue comes,you will come.
It________me half an hour to reach the top of the mountain.
Fifteen-year-olds________to have jobs in China.