单项选择题

The substance can be added to gasoline to accelerate the speed of automobiles()

A. quicken
B. shorten
C. loosen
D. enlarge

<上一题 目录 下一题>
热门 试题

单项选择题
She was grateful to him for being so good to her.
A. helpful
B. hateful
C. delightful
D. thankful
单项选择题
The economy continued to exhibit signs of decline in September.
A. play
B. show
C. send
D. tell
相关试题