This book ten units, three mainly revision.
_______ is known, John studies in _______ is considered the best school in the city.
Mr. Jenkins has been busy with his work these days and seldom _________ to come over to have a chat with me.
_________ it rain tomorrow, we would have to _________ the spring outing.
When _________ the office, I found the naughty boy _________ beside my desk, trembling.
A lot of teams wanted me to _________ for other positions and I told them no.