The trains leave every 15 minutes; if you miss ____ , you don’t have to wait long for another.
—Hello!I want to book a double room. —Sorry.There is no double room ________.
The young man comes from a(n) ________ family,who owns several companies in London and Paris.
—What was it that caused the party to be put off? —________ the invitations.
The new technology,if ________ to farming,will help increase the grain output.
________ this way can we smooth the difficulty we are faced with now.