问题

While working on the farm， the students ________ a good knowledge of plant life

A:held up
B:picked up
C:turned away
D:put down

正确答案是：

同类题型

They had great fun _________ volleyball on the beach.

Since you like the fur coat so much， why not buy it?—Well， I can’t afford_____ coat

is the population of your city—There are about four .

Do you like these blue shoes —Yes, ____________.

___________________, the experiment will be successful.