The policeman warned us________ the busy street when the traffic lights are red．（ ）
| A． |
don't cross |
B． |
not crossing |
| C． |
not to cross |
D． |
can't cross |
﹣What do you think of the film，Captain America：Civil War？
﹣______（ ）
A．It's wonderful．
B．It's my pleasure．
C．It's very nice of you．
﹣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