The boy is _______ to look after himself .

Shall I turn on the TV, Mom—No. You should be quiet _____ wake up your sleepingbrother.

, the farmer continued working in the field.

下列句中加点词的意思同现代汉语相同的一项是（ ）①至于颠覆，理固宜然 ②而从六国破亡之故事 ③师不必贤于弟子 ④至于颠覆，理固宜然 ⑤可谓智力孤危 ⑥胜负之数，存亡之理 ⑦思厥先祖父 ⑧较秦之所得，与战胜而得者，其实百倍

Europe has achieved more in controlling the AIDS virus than Asia in the past ten years, ______ the number of people infected with the virus is going up sharply [ ]