7. This class, _______ is a prerequisite for microbiology, is so difficult that I would rather drop it.

A. that     B. when     C. where      D. which

5. By appearing on the soap powder commercials, she became a _________ name.

A. housekeeper      B. housewife       C. househould      D. house

100. The accident victim was having increasing difficulty in
breathing. (DIFFICULT)

99. We haven’t sold many cars this month. (DEMAND)
→There 

98. Be careful not to waste water. (ECONOMICAL)
→Be 

97. You can not make use of this offer after 15 December.
→This offer is

96. Harry paid 50 pounds a week for bed and breakfast.
→Bed and breakfast 

95. 6,000 pounds is a better offer than you have ever had before.
→You have never 

94. Are they likely to pass Proficiency?
→Is there 

93. You were rude to that woman’s husband, and she’s upset now.
→The woman