A:勖勉(xù)殒身不恤(xù)发难(nàn)排忧解难(nán)
B:吐哺(bǔ)衡阳之浦(pǔ)鲜见(xiǎn)屡见不鲜(xiān)
C:搠倒(shuò)横槊赋诗(sù)瞋目(chēn)遥岑远目(chén)
D:犄角(jī)掎角之势(jī)饯别(jiàn)天梯石栈(jiàn)
方程组3x-4y=1x-4y=7的解是____
她已经看了多少页?
—Peter, are you going fishing tomorrow?—Yes. But I ______ at home if it ______.