__________ they will not come to join us, we have to change our plan.
The reason ___________he succeeded was _______he worked very hard.
If you cheat in the exam, you could hardly _________ it.
No potatoes for me—I’m _______ a diet.
You ______be sitting in this waiting room, sir. You see, it is for women and children only.
The children are full of ______. They have been playing all day long without resting.