Out of the crowded bus ,who was dressed in a black suit and waved 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 |
Everybody in the class must give in______exercise books within the given time.
| A．his | B．their | C．her | D．our |
Understanding the cultural habits of another nation,especially ______containing as many different subcultures as the United States,is a complex task.
| A．one | B．the one | C．that | D．such |
—Have you got ______ready for the dinner?
—No,I still need to buy some pork and vegetables.
| A．anything | B．everything |
| C．something | D．nothing |
—Where can I tie the horse?
—Oh,you can tie it to ______of the tree.
| A．both | B．every | C．each | D．either |
Many______ scientist wants to be ______second Newton.
| A．a;the | B．a;a | C．/;a | D．/;the |