请问横杠部位要填什么单词?We must s_ to leave at eight o'clock because the plane will fly at 8：30

请问横杠部位要填什么单词?We must s_ to leave at eight o'clock because the plane will fly at 8：30 Grandma is ill .We must take her to the h____and the _____.请问着两条横线该填什么单词.还有,the 后面的名词可以是复数吗? we learn a lot from our teachers.we must say t______ to them.t填什么单词 we must be careful () fire 是用介词,用by对么?请问填什么. We must not run ( ) the road when the traffic light is red.括号里填什么单词? ）We must keep quiet.=________quietWe must keep quiet.=________quiet(横线填一个单词) the windows of the classroom must be s_____ at night横线上开头第一个字母已经给出,请问要填什么单词阿? We must try our best to d( ) more (说 ) every minute if we want to learn English well.括号里应该填什么单词? we什么work hard用must或mustn‘t填 we must keep ourselves safe （ ）danger.中填什么 We must do our ____ to help them 填什么 We+must+pay+attention+to+the后面填什么 We must find a _______ way(quickly) 填什么 现在要赏金20 if we go by car,we must know the t( )r( )的括号应该填什么if we go by car,we must know the t( )r( )的括号应该填什么 We must read English every day to learn it ____(good).We must read English every day to learn it ____(good)的空格中填什么单词啊?很着急! because of cold weather,we must 保证 the s of coal 填单词 we must pay a___to our pronunciation空格处填一个单词!practice可以么? 请问最后一个空填什么单词,