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131. Through a twenty-year research, the scientists finally find out what _____ these plants to die.

   A. made            B. brought           C. caused            D. affected

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130. The young man _____ his back, _____ in thought.

   A. laid on; deeply      B. lying; deep        C. lay on; deep        D. lain on; deeply

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129. His coming _____ our happiness.

   A. added to          B. added            C. added up          D. added up to

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128. The clothes were old and shabby, but _____ they were warm.

   A. at most           B. at least               C. at all             D. at last

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127. Many revolutionaries _____ for the liberation of the country.

   A. gave their lives     B. losed their lives     C. lay down their lives  D. devoted themselves

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126. She looked _____ at the sight of her sick mother.

   A. sadly            B. sad              C. coldly            D. angrily

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125. Those who came to the party were _____ young people.

   A. most             B. almost            C. mostly               D. at the most

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124. Busy as I am, I _____ spend _____ playing with two sons.

   A. sometimes; some time                  B. sometime; some times

   C. sometime; sometimes                   D. sometimes; sometimes

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123. _____ do you mean by this?

   A. What on the earth                     B. Whatever in the world   

   C. What at all                          D. Whatever

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122. The _____ weather there made us very _____.

   A. pleasant; pleased                      B. pleasing; to be pleased

   C. pleasant; pleasant                     D. pleased; pleased

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