老师说下面句子中的 per day 也可说成 a day, each day,但不能说成 every day: This watch gains 3 minutes per day. 这表每天快3分钟。 但我看不出为什么不能用 every day。each day 和 every day 不是同义词吗?
下面句子中的 than usual 是作状语吗?但为什么是用形容词 usual,而不是 usually 呢?This means I could get up an hour later than usual, as schools inChinabegin before 8 a.m. 这意味着我每天可以比以往晚一个小时起床,因为在中国学校每天上午8...
Answer D is definitely the right answer. A is nearly correct too, but since we're talking in the present, D is the best choice.句中in the present是当前,现在的意思, 有这种用法吗?词典上只有at present词组,我从没见过in the present.请分析一下二者使用上有...
请问下列各句中,介词in/with 的选择有否差异?1. The girl _____(in/with) glasses is my sister.2. The boy ________ (in/with) a tie looks smart.3. The children________ (in/with) black are my friends.