﹣Could you tell me we can start a conversation with a foreigner？
﹣Talking about weather is a good choice．（ ）
A．howB．whyC．whereD．when
﹣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
Look!The twins are carrying the table away，because it_______．too much space．（ ）
A．.makes upB．.picks upC．takes up
Shandong illegal vaccine scandal（非法疫苗丑闻）caused people to pay more attention to children's_________．（ ）
A．healthB．weightC．wealth