Our government tries to do everything they can _________ people live a better life．（ ）
| A． |
to help |
B． |
help |
C． |
helping |
D． |
helped |
﹣Ouch!My knees hurt _______．
﹣Sorry to hear that．You'd better go to see a doctor．（ ）
A．badlyB．sadlyC．quietly
﹣Look at this model plane．Michael made it all by_________
﹣Wow!He is so smart．（ ）
A．myselfB．himselfC．herself
﹣Time is up．I have to go now．
﹣Oh，it s raining heavily outside．You'd better wait here_____it stops．（ ）
A．untilB．whileC．since
It s reported that the 31st Olympic Games ____in Rio de Janeiro（里约热内户）of Brazil In August.2016．（ ）
A．.is heldB．.was held
C．will be held
﹣We're glad to hear that Putian has become one of the national civilized dries．
﹣Yes．Our city is getting _______than before，（ ）
A．beautifulB．，more beautiful
C．.the most beautiful