SUMMER SALE
Get
75% OFF
3-year access
 to all languages and features!
00
:
00
:
00
>>
LingoDeerLingoDeer
LESSONSREVIEWMEMBERSHIPBLOGSUPPORT
SIGN IN
时态对比2
Learn by doing
listening
spelling
comprehensive
LESSON 1
in... ...ago
listening
spelling
comprehensive
LESSON 2
for... for another...
LEARNING TIPS
VOCABULARY