while the
while the
while christmas 还是while the christmas,为什么
2.While she_ the miserable.
Strike while the iron is
While trying to retrieve the
while the rest is white
While You Have the Time,Take the
he ----the ladder while ----on the tree.
while(!
问下for a while,in a while,after a while,all the
Strike while the iron is hot.
While the teacher ---(have )an english lesson