We'd better grow the plant in a ________ plastic box so that the children can see the roots growing.
#11130
A
safe
B
square
C
transparent
D
thick
推荐题目
You’d better        fatty food if you want to stay slim
#13566
A
keep off
B
send off
C
take off
D
pay off
 These flowers should not be watered too ______, once _____. 
#12398
A
long; every other day
B
often; every fourth day
C
soon; every two days
D
frequently; each five days
The librarian took a story book _____ from the shelf and gave it to the girl.
#13830
A
in vain
B
at random
C
at the moment
D
at any rate