We should protect the__________ [ɪn'vaɪrənmənt].
#17513
A
environment
B
improvement
C
encourage
D
exoerience
推荐题目
单词辨音
#17658
A
ride
B
write
C
Friday
D
dish
This isn’t my ______/hæ t/. 
#17509
A
hit
B
cat
C
hat
D
head