While working in the countryside, the students         a great deal of knowledge on plant life.
#72875
A
looked up
B
picked up
C
put up
D
called up
推荐题目
Students learning ability shouldn’t be ___ only by examination results.
#72317
A
created
B
measured
C
discovered
D
combined
The mayor has _______ to pick you up at the airport.
#73462
A
arranged a car
B
arranged a car for you
C
made a car arrangement
D
arranged for a car