If we had taken such effective measures much earlier, the river so seriously now.
| A．is not polluted | B．would not be polluted |
| C．had not been polluted | D．would not have been polluted |
Thomas _____ a soldier, for he is much too short.
| A．needn’t be | B． should be | C．may be | D．can’t be |
The woman,_________red,was Tom’s mother, who was waiting for him.
| A．was dressed in | B．was dressing in |
| C．dressed in | D．dressing in |
Though ____life was hard for her ,she led _____happy life.
| A．a…\ | B．\…a | C．the… | D．the…the |
Ten years ago, the population of our village was ______ that of theirs.
| A．as twice large as | B．twice as large as |
| C．twice as much as | D．as twice much as |
She has been working hard day and night, which of course, _______ her pale face.
| A．accounts for | B．stands for |
| C．goes for | D．answers for |