The application of VR in classroom teaching received a mixed____among students.

Are you pleased with what he has done—It couldn’t be _______. Why didn’t he put more effort into his work

(2013·高考山东卷)—Oh no! We’re too late.The train ________.—That’s OK.We’ll catch the next train to London

What is your mother doing—She ___ for oranges.

time my mother came back fromwork, my sister and I supper andwere waiting for her at the table.