— Do you know ?— Sorry, I don’t have a watch.
–--Why is Harvey’s mother so happy ? ----Because only three students ________,_________his son Harvey
Mr. Zhang got up very early ________he could catch the early bus .
It’s said that______ young people may lose their abilities to hear after five years if they listen to MP4 players which are too loud for more than five hours a week
The math problem is ________for him to work out . He isn’t good at math.
________, volunteering is both a chance to help others and a good way to develop ourselves . So you’d better make time to volunteer.