101.During sleep blood pressure is normally ______ its lowest.

a. in b. for c. at d. by

102.The parents and the children will have to leave the country ______ good.

a. with c. over c. on d. for

103.Neither their parents nor their friends have approved ______ their marriage yet.

a. for b. of c. to d. with

104.Classroom testing, if well done, most certainly ______ a stimulus to study and real learning.

a. acts for b. acts on c. acts as d. acts to

105.In the experiment we kept a watchful eye ______ the developments and recorded every detail.

a. in b. at c. for d. on

106.The French pianist who had been praised very highly ______ to be a great disappointment.

a. turned up b. turned in c. turned out d. turned down

107.In the advanced course students must take performance tests ______ monthly intervals.

a. in b. over c. at d. between

108.We regret to inform you that the materials you ordered are ______.

a. out of work b. out of reach c. out of practice d. out of stock

109.In the United States professors have many other duties ______ teaching, such as administrative or research work.

a. besides b. except c. but d. with

110.he attempted ______ to set up a company of his own.

a. with vain b. on vain c. in vain d. of vain

111.On hearing the news that her father died, she ______ tears.

a. burst out b. burst in c. burst into d. burst forth

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