Why do people send valentines to each other nowadays？
A. To celebrate the holiday.
B. To mark Valentine's birthday.
C. To express their admiration for each other.
D. To show their love and affection.
查看答案
A．otherwiseB．stillC．thereforeD．additionally
A. otherwise
B. still
C. therefore
D. additionally
What were the young people probably doing outside the stadium？
A. Waiting to have a glance at the pop singers after the concert.
B. Waiting to buy tickets.
C. Demanding to be let in.
D. Trying to force the gates open and get into the stadium.
The Gates Fundation has set aside millions of dollars to develop educational technology
A. in developing countries
B. in developed countries
C. in the United States
D. in North America
Many Americans have taken to treadmill for years by virtue of______.
A. its inherent awards to their health
B. its greater consumption of oxygen
C. the compliment paid by authorities
D. the actual benefits from the exercise
微信支付 
支付宝支付