语法与词汇He tried to stand on his hands for minutes,
语法与词汇John had never been abroad before,______he found
语法与词汇The European Union countries were once worried
语法与词汇I heard that you really had a wonderful time at
语法与词汇To______their new product, they are selling it
语法与词汇The auto industry spends large amounts of money
语法与词汇Most students really do have topics ______they
语法与词汇______by the failure of the project, the manager
语法与词汇Modern science and technology
语法与词汇Will you______it that this letter gets mailed
语法与词汇32.
语法与词汇You see the lightening ______ it happens , but
语法与词汇34.
语法与词汇32.
语法与词汇Scientists in the world are expected to find
语法与词汇An ambulance was waiting in the street.
语法与词汇Wouldn't you rather your child______ successful
语法与词汇______, I am not satisfied with your work .
语法与词汇Students nowadays should make full use of their
语法与词汇We hope that all the measures against sandstorms