—How about paying a visit to Mr. Richardson, our former history teacher?—Good idea. I will e-mail him today so he ___ know ___ to expect us.
This kind of cell phone is very common and I also have ______.
— Jeff, what’s up? You are not yourself today. — Oh, mom. I really wish I ______ the chance but I failed.
Mr. Smith couldn’t open the door because his naughty boy ______ it from the inside.
We’re advised not to leave the water ______ after using it.
She ______ have attended that meeting, for she was doing paperwork in the office then.