It’s said that________of the water around the world________polluted．
| A．two third；has |
| B．two thirds；have |
| C．two third；are |
| D．two thirds；is |
Ifyouareconfidentenough,socialsituationsdon’tbotheryouintheslightest.
| A．anymore | B．atall | C．asusual | D．infact |
The young trees should ______well as often as possible.
| A．be water | B．watered | C．watering | D．be watered |
--Dinner is ready. Help yourself!
--Wow! It ________ delicious．Could you please tell me how to cook it?
| A．tastes | B．hears | C．sounds | D．feels |
Tony used to _______ to school, but he is used to _______ to school now.
| A．walk; taking a bus | B．walked; took a bus |
| C．walk; take a bus | D．walked; taking a bus |
I________ a big house for my family if I _____ a lot of money．
| A．would buy, have | B．would buy, had |
| C．will buy; had | D．will buy, will have |