单项选择题

The sudden drop in temperature has greatly ______ the crops.

A. affected
B. effected
C. influenced
D. destroyed

<上一题目录下一题>

热门试题

单项选择题

For the practice teaching, the students had to visit some local schools for the ______ of lessons.

A. examination
B. inspection
C. observation
D. investigation

单项选择题

_________ drills that have no real topic have to remain as they are.

A. Manufacture
B. Manipulative
C. Manipulate

D. Manifest

相关试题