Mr. Smith is_____old man and he usually walks his dog after______supper.

A．a，the B．an，a C．an，/ D．the，/

If you _______ one person to another, you tell them each other's names so that they get to know each other.

A. introduce B. interview C.remind D.prefer

At school, we are taught _______ knowledge _____how to behave well.

A.neither ,or B. either, or

C.not only, but also D. not, but

—Did you catch the first subway this morning?

—No，I didn't.It had started moving______I could get on it.

A．since B．after C．as soon as D．before

— An iPhone 6S is really powerful but I can’t ________ to buy one.

— Look! An MI mobile phone only ______699 yuan! They are high-quality phones as well.

A. regret; spends B. afford; costs

C. suppose; pays D.decide；takes

—Which songs do you like better，Lucy?

—I prefer the song Little Apple_______can attract many people.

A．that B．who C．whom D．where

—Do you know__________ ?

—For a month.

A. how long will she be away

B. how long she will be away

C. how often will she go there

D.how often she will go there

—Hurry up，or we will miss the sea lion show in the Ocean Park.

—_______．We still have fifteen minutes before the show begins.

A．Take it easy B．Good luck C．I guess so D．Take care

—Is this dictionary Ming's？

—Yes.Please remember ____it to him when you finish _______the words.

A. to return, to look up

B.returning, looking up

C.returning, to look up

D.to return, looking up

—Who's that woman？Is it Ms. Li?

—It___be her.She has gone to Britain.

A．may B．must C．can't D．mustn't