careful是形容词,用在名词之前. carefully是副词,用在动词和形容词之前.careful 形容词,修饰名词 adj. 仔细的,小心的; 周到的; 慎; 心细 carefully 副词,修饰动词、形容词或者副词 adv. 小心谨慎地; 警惕地; 仔细地; 周密地
seriously 通常指事物或情况很严重,carefully 通常指人主观的做法,很小心,形容词;或作为副词,小心地,用在动词后
Careful:形容词1.仔细的;小心的[(+of/about/with)][+to-v][+v-ing][+Wh-][+(that)]2.周到的,彻底的,精心的Carefully:副词:1,.小心谨慎地;警惕地2.仔细地;周密地
简单说来,,,因为句子中用的是be动词,be动词后跟形容词, 动词后跟副词 在这里句中用的be动词“are”,所以后面跟形容词careful enough 如果要用carefully enough的话,这句话要改写成 None of the students can work carefully enough on the math problem 之类.
careful是形容词,用于修饰名词,副词等 carefully是副词,用于修饰动词等
careful 形容词,主要修饰名词;carefully 副词,主要修饰动词及动词短语.填careful , be careful仔细
carefully [副词]修饰[动词]careful [形容词] 修饰 [名词]you should listen [动词]to the teacher more carefully.you should be more care for your homework[名词].
carefully是副词,用来修饰动词,比如,do my homework carefully,此时用来修饰do
carefully 英['kefl] 美[krfl] adv. 小心谨慎地;警惕地;仔细地;周密地 [例句]Carefully reviewing lines of software code isn 't impossible , he says.他说,仔细核对行代码不是不可能.2.They need to tread carefully. 监管部门必须谨慎行