問題補(bǔ)充：
單選題
The problem was that it is ___ valuable ___everyday useA.too; toB.too; forC.too; ofD.so; that
網(wǎng)友答案：
熱心網(wǎng)友 1樓
B解析考查固定句型。so...that...“如此......以至于......”，that后跟句子，這里不是一個(gè)完整的句子，排除D項(xiàng)；too... to...是“太......而不能......”的意思，to后加動(dòng)詞原形；It is +形容詞 for sth./for sb. to do sth.是固定句型，意為“對于某物或某人來說，做某事......”。故選B。
