The doctor said jokingly that his own infection of the virus _______ the discovery of a vaccine (����)of the disease.
A. stood for B. called for C. paid for D. contributed to
-- Jimmy had a lot of parties recently.
-- Yes, that might ______ why he didn’t do well on the test.
A. sum up B. push for C. account for D. compensate for
In order to work better in the future, each of us must first of all know our ______ and weaknesses.
A. strengths B. benefits C. techniques D. values
31. The engine of the bus was out of order and the bad weather ______ the worries of the passengers.
A. added up B. added to C. resulted from D. made of
-- Why didn't Mike attend the evening party?
-- He is a quiet boy; He loves reading at home ______ to parties.
A. than go B. rather than going C. than going D. more than goes
-- What do you think of Saudi Arabia Pavilion(展馆)?
-- It’s so wonderful! I believe it’s ______ than China Pavilion, the largest one.
A. no better B. no worse C. not better D. not worse
