The English spoken in the United States is only slightly different fromspoken in England.
| A． | which | B． | what | C． | that | D． | the one |
He made another wonderful discovery, ______ of great importance to science.
| A．which I think is | B．which I think it is |
| C．which I think it | D．I think is |
He’s got himself into a dangerous situation _____ he is likely to lose control over the plane.
| A．where | B．which |
| C．while | D．why |
I met the teacher in the street yesterday ________ taught me English three years ago.
| A．which | B．when |
| C．where | D．who |
Is this all that you need? If you married me, I’d give you everything you _____.
| A．want | B．wanted |
| C．had wanted | D．are wanting |
I can think of many cases _______ students obviously knew a lot of English words and expressions but couldn’t write a good essay.
| A．why | B．which |
| C．as | D．where |