It is known to us all E-mail is______ efficient than sending a fax.
—Flight 331 _____.I'd better be on my way.Goodbye. —Bye.Happy landing!
To appreciate that it's not easy for you, but you ______ try to get here on time.
—Sorry we're late.We ______ the wrong turning. —That's all right.Come in, please.
You can try to guess the meaning of ______ words you don't know from ______ passage.
35.---Could I borrow your car for a while? --- _________. I won’t use it today.