All their attempts to rescue the child from the burning building were _____, and he died soon.
A. in place B. in return C. in vain D. in ruins
Be careful when you cross this busy street. _____, you may get run over by a car.
A. If not B. If so C. If any D. if possible
Smoking is so harmful to people’s health that it kills __________ people each year than automobile accidents.
A. seven more times B. seven times more C. over seven times D. seven times
I’ll come to pay a visit to you if _______ this weekend.
A. you’re convenient B. it is convenient for you
C. you feel convenient D. it is convenient with you
The student was ________ a gold cup for his excellent performance in the competition.
A. awarded B. admitted C. applied D. advanced
Tom ____ be ill, for I saw him playing basketball an hour ago.
A. mustn’t B. needn’t C. can’t D. may not
