John is a lazy student, one of ______ bad study habits is to leave for tomorrow ______ ought to be done today.
This building is ___ that one.
Will you please try to ___ the article ___ to about 3000 words?
Mother: Bob is sure ___ tonigh. Father: Don't be so sure ___ it.
We found ___ for us to finish the work within two days.
Professor Smith ___ China yesterday.