I’d like some _______ and _______.
--- Why should we plant more trees to protect the environment?--- Because trees can stop the wind from ________ the earth _________.A. washing ;awayB. blowing; awayC. changing ;into
--- Have you found your lost book_____? --- No, I haven’t. A. already B. yet C. Still
Because of the 2008 Olympic, great changes have _________ in Beijing. A. taken place B. improved C. happened
Don’t give up, __________ you will succeed one day. A. or B. but C. And
--- Where is LiLy? I can’t find her. --- She __________ a disabled children’s home to help them. A. has been to B. has gone to C. has been away