He has been away ________.
| A．since a month | B．for a month |
| C．for a month ago | D．in a month |
－Drive carefully so that everyone can enjoy a long life.
－Yes, I agree with you.
| A．in order that | B．in order to | C．unless | D．whether |
－Why have you decided on the countryside for your holiday?
－Because we are there is lots of clear, fresh air there.
| A．so many | B．much | C．many | D．several |
Every minute about ____ babies are born in the world, so the world’s population is increasing by _____million every year.
| A．256 ; 8 | B．256; 80 | C．261 ; 8 | D．261; 80 |
Acid rain comes from _____.
| A．the river | B．the water | C．the clouds | D．the forests |
Many _____ in ______ could hear no better than 65-year-old people, for they like pop music.
| A．adults, the USA | B．adults; England |
| C．teenagers: the USA | D．teenagers: England |