Children are taught to respect everyone, _________ race, sex or age．

A．in terms of

B．in the face of

C．regardless of

D．in place of

Nobody but doctors, nurses or those _________ by Dr．Hu _________ to enter the patient's room．

A．invited; are allowed

B．are invited; are allowed

C．are invited; is allowed

D．invited; is allowed

Out of the crowded bus _________ , who was dressed in a black suit, waving to a woman．

A．a tall man stepped

B．stepped a tall man

C．did a tall man step

D．a tall man did step

If China's space technology has achieved _________ breakthrough in this field, it really is _________ amazing wonder．

A．the; an

B．a; an

C．不填;the

D．a; 不填

There are some customs in China _________ foreigners will never understand．

A．that

B．whose

C．where

D．why

Mary can't invite you to her new house until she _________ in．

A．moved

B．will move

C．has moved

D．had moved

I keep on walking after supper because I can't think of a _________ way to keep fit．

A．better

B．best

C．worse

D．worst

They made an _________ of ＄ 3 000 for the car, which I couldn't refuse．

A．average

B．order

C．amount

D．offer

I have been working with Lily for years, and never before _________ her so serious!

A．I found

B．I have found

C．did I find

D．have I found

Fish need water to survive; _________, we humans need air to live．

A．particularly

B．similarly

C．obviously

D．clearly