The population of our country at present is ______ that 30 years ago.
| A．as twice large as | B．twice as large as | C．twice as many as | D．as twice much as |
Is _____ possible to fly to the moon in a spaceship?
| A．now | B．man | C．it | D．that |
You can’t _____ until tomorrow morning after the blood examination.
| A．not only eat but also drink | B．either eat or drink |
| C．neither eat nor drink | D．both eat and drink |
We’re trying our best to get our English _____.
| A．improved | B．to improve |
| C．improves | D．improving |
Though some foreign scientists had a ______ opinion of his new invention, his fellow workers never thought ____ of it.
| A．highly; low | B．low; high |
| C．high; highly | D．poor; highly |
_____ people who buy IBM PC686 is larger than ever before.
| A．A lot of | B．A number of |
| C．A great many | D．The number of |