老师说；“Good afternoon ， class！”学生应该说__________________.

When the young man came back, tired, he just forgot to turn on the radio and ________ missed the program

Our Earth will be ________ if we go on cutting down millions of trees every year.

__________ science books missing inour school is large.

Let’s ______ some dumplings right now.— OK. I’ll cut up the meat first.