Evans had rheumatic fever, missed school and fell behind

　　伊萬斯得了風(fēng)濕熱，沒去上課，功課也落下了。

　　It is important not to let production levels fall.

　　重要的是別讓產(chǎn)量滑落。

　　The results of the survey fell into two distinct groups.

　　調(diào)查結(jié)果分為截然不同的兩組。

　　Students over 25 fall into a different category.

　　25歲以上的.學(xué)生屬另一類。

　　There is still a risk that the whole deal will fall through.

　　整樁買賣化為泡影的風(fēng)險仍然存在。

　　I have a little money in the bank to fall back on.

　　我在銀行還有一點錢，需要時可以動用。

　　Falling interest rates may help to bolster up the economy.

　　利率下降可能有助于激活經(jīng)濟。