Though they met for the first time,they talked ________they had been good friends.
Today Bob contradicted Ms. Li, our math teacher, in class, _____ made her angry with him.
Many things that were once considered useful and _____, for example, tobacco, is now thought harmful.
Since time is limited, let’s cut _____ the unimportant details.
—Mum, I’m going to take my driving test tomorrow. —_____ I’m sure you will pass it.
It’s necessary for you to _____ at least an hour each day to learn the new vocabulary.