If you intend to arouse students’ interest in your project, you’d better ______ your teaching methods more wisely.
The winner of the race is tall and thin; he ___be my friend, Mike, who is short and fat.
---Can I use your dictionary? ---______.
Mary is an honest girl; I say it, ________I don't like her.
I prefer to buy a new TV rather than ________ it.
He doesn't know_________ the work by himself.