AIDS is said ______ the biggest health challenge to both men and women in that area over the past few years.
| A．that it is | B．to be | C．that it has been | D．to have been |
He always did well at school ______ having to do part-time jobs every now and then.
| A．in spite of | B．instead of |
| C．in case of | D．in favor of |
______ the weather, we had a pleasant time.
| A．Except | B．Except for |
| C．But | D．Besides |
I found the island a wonderful place for our experiments _______ the hot weather.
| A．besides | B．except for |
| C．except | D．except that |
He usually goes to work by bike _______ it rains.
| A．except | B．except when |
| C．except for | D．except that |
She knew nothing about his journey _______ he was likely to be away for three months.
| A．Except | B．except for |
| C．except that | D．in addition |