George said that he would come to school to see me the next day, but he ______.
| A．wouldn’t | B．didn’t | C．hasn’t | D．hadn’t |
-- The cars give off a great deal of waste gas in the streets.
--- Yes. But I’m sure something will be done to ___ air pollution.
| A．reduce | B．remove | C．drop | D．warn |
Every classroom in this modern school is _______ with a new computer.
| A．equipped | B．exchanged | C．fixed | D．placed |
These books are ___ children. There are many interesting stories with pictures in them.
| A．devoted to | B．intended for | C．connected with | D．introduced for |
____the letter, he went out to post it,
| A．Finished | B．Being finished | C．Having finished | D．After finished |
When the first English settlers arrived in the New World, the Indians _______ jewelry made of animal bones greeted them warmly.
| A．wearing | B．to wear | C．worn | D．having worn |