Before you get into the teachers' office.You must knock( )th
You must knock at the door before you e_____the teachers’off
you must ____(knock)on the door before you enter
Before you_____(enter)the office,you should______(knock)at t
改错.Knock before you enter into the room.
Please knock on the door before you go to the office 同义句
同义句转换Please knock at the door before you go into the room
You must get the work _____ before Firday
Before you enter the teacher"s office ,you must (k ) on the
before you enter the teacher's office,you should k____ on th
几道简单的英语改句子please knock at the door before you come into the
You must cut ___ the bananas before you put ___ into the ble
always knock on the door before you enter