Our bad living habits will destroy the earth. Only by changing we live can we save the earth．
| A．that | B．what | C．how | D．where |
Why not ________ an order ________ a TV set of this new type?
| A．placing; on | B．place; on | C．place; for | D．placing; for |
He commanded that all the gates __________.
| A．should shut | B．would be shut | C．shut | D．be shut |
There is a limit ____ my patience.
| A．within | B．in | C．to | D．with |
How can we ____ all these flies in the kitchen?
| A．get rid of | B．send | C．throw away | D．take |
If you ____ do as I tell you , you ____ go to the party .
| A．can ; shan''t | B．wil l; won''t | C．won''t ; shall | D．won''t ; shan''t |