21.1.I can’t understand his __________(silent) on such a matter.
2.They are looking forward to their grandpa’s ___________(nine) birthday party.
3.The noise upstairs kept me ___________(wake)all the night.
4.There will be a bridge _____________(connect)the school to the village in the near future.
5.Please pay attention to your _______________(pronounce) when you read English.
6.Mil lie is still not used to the _______(热量) in summer here.
7.Our teacher often reminds us to  pronounce words______________（正确地).
8.Tom ____________(更喜欢)swimming to skating when he was young.
9.The _____________(决定) you have made don’t seem so good. You need to be thoughtful.
10.________________(粗心)will be a disaster not only to doctors but also to patients.