It _____ to the airport.
| A．takes forty minute's drive to get | B．takes forty-minute drive to get |
| C．is forty-minutes' drive | D．is a forty-minute drive |
______ to their own work, most of the parents spend little time with their children.
| A． Devoting | B． To be devoted | C． Having devoted | D． Devoted |
What a pity! I ______ in Hainan two more days, but something urgent needed to be dealt with back home.
| A． must have stayed | B． needn’t have stayed |
| C． may have stayed | D． could have stayed |
Tom, Jack and Rose were named as assistant professors. Believe it or not, ______ three of them were of ______ age.
| A．不填; an | B．不填; the | C． the; an | D． the; the |
--- Whom shall I give the document?
--- To ______ is in the office. However, ______ to require a written paper for it.
| A． whom; make sure | B． who; make sure |
| C． whomever; be sure | D． whoever; be sure |
______ his age, he was considered ______ well in the play.
| A． Considering; acting | B． Considering; to have acted |
| C． Considered; acting | D． To consider; to act |