1.some sthdents got excited about speaking English and then ended( ) speaking in chinese
2. The girl is very shy,so she is afraid ( ) speak English in class
3.If you do not know the words,you’d better write them （ ） ｉｎ ａ ｖｏｃａｂｕｌａｒｙ ｌｉｓｔ
４． Ｉｔ ｄｏｅｓ ｎｏｔ ｈｅｌｐ （ ） ａｌｌ．
1.some sthdents got excited about speaking English and then ended(with ) speaking in chinese
end with doing 固定搭配，以做某事结束
2. The girl is very shy,so she is afraid (to ) speak English in class
be afraid todo固定搭配，害怕做某事
3.3.If you do not know the words,you’d better write them （ down ） ｉｎ ａ ｖｏｃａｂｕｌａｒｙ ｌｉｓｔ
write sth down 固定搭配，写下
４． Ｉｔ ｄｏｅｓ ｎｏｔ ｈｅｌｐ （at ） ａｌｌ．
not ........at all 固定搭配，一点也不.....
望采纳
1.不清楚，应该是by
2.to有短语是be afraid to
3.down 短语write down意思是写下
4.这个不太清楚
1.with。因为with可引导伴随状语
2..of。be afraid of是一个固定词组，表示害怕····
3.down。因为前面有write，所以可以推断出后面用down。write down表示记录下···
4.at。not at all表示“一点也不”