At last，the teacher _________ who stole Li Ming’s pen.

It is difficult for a teacher to give _____ attention to children in a large class.We should reform the situationin order to meet each child’s needs.[ ]

When did Peter ________ the office— Err, he _________ for about 10 minutes.

e arrived, she went straight to ___ kitchen andstarted to prepare ___ meal for us

.These are all ________houses for thehomeless.