Though English is very difficult to learn, _____ Li Ping _____ Li Lei speak English well．
| A．neither ; nor | B．either ; or | C．both ; and | D．either ; or |
He has failed several times, he never gives up.
A. if B. so C. but
In thousands of cities and towns, lights for Earth Hour Movement on March 29 this year.
A. stayed up
B. went out
C. tried on
Zheng He, a Ming dynasty explorer, illness on his way back to China from Africa in 1433.
A. lived on
B. tried out
C. died of
My dad is going to Cuba . He will stay there for a week.
A. on show
B. on business
C. on sale
— May I play computer games now, Mom?
— No way. Don’t do that all the time. You must yourself.
A. be proud of
B. be similar to
C. be strict with