–English is becoming so important.
–It’s true. Many university classes are taught in English _____ the native language is not English.
| A． as if | B． what if |
| C． as long as | D． even though |
John is the tallest boy in the class, _______ according to himself.
| A．six feet as tall as | B．as tall as six feet |
| C．as six feet tall as | D．as tall six feet as |
What the science teacher does and says ____ of great importance to college students.
| A．was | B．are | C．is | D．were |
The year 2007 ______ remarkable changes in Changzhou’s landscape.
| A．sees | B．has been | C．saw | D．had seen |
The children were catching butterflies in the garden. Some caught a lot, and others caught _______ at all.
| A．nothing | B．none | C．no one | D．neither |
How wonderful to go away for a month, _____ all worries and responsibilities!
| A．free from | B．in touch with | C．on the basis of | D．instead of |