—People in Southwest China have never experienced _____ natural disaster．
—Exactly．Let's do our bit to help them．
| A．a more severe | B．the most severe |
| C．the more severe | D．a most severe |
Next door to ours,who seem to have settled in this community for quite a long time．
| A．arc living a black couple |
| B．arc a black couple living |
| C．live a black couple |
| D．do a black couple live |
Research found that children who drank mainly soda were more than twice as likely as those who drank no sodasigns of aggression．
| A．showing | B．shown | C．to show | D．show |
I can't remembermade the teacher give Mary the permission to leave the class earlier．
| A．that it was what | B．that was it what |
| C．what was it that | D．what it was that |
On their journey, they meet fellow adults in their 20s and 30slives haven' t lived up to their dreams．
| A．who | B．whose | C．when | D．that |
I'm not a little tired today after giving the room a thorough cleaning and I have never hadtoday．
| A．as tiring a day as | B．as a tiring day |
| C．tiring as a day as | D．day as a tiring as |