We must keep our room clean, for dirt and disease go______.
| A．hand in hand | B．step by step | C．from time to time | D．one after another |
Young people between 15 and 29 are facing the toughestamong all workers today to find jobs for they are young and inexperienced.
| A．challenge | B．ambition |
| C．privilege | D．distribution |
Every summer, John helps his parentsthe shop in the city center.
| A．develop | B．work |
| C．run | D．exchange |
He spends little time on English, but, he has passed the important examination.
| A．somehow | B．as a result |
| C．so | D．however |
Don’t you remember Rose, inhouse we had a Christmas party last year?
| A．her | B．whom | C．which | D．whose |
reaching the zoo, the excited children can’t wait to see the elephants.
| A．At | B．Upon | C．In | D．With |