SUMMER SALE
Get
75% OFF
3-year access
 to all languages and features!
00
:
00
:
00
>>
LingoDeerLingoDeer
LESSONSREVIEWMEMBERSHIPBLOGSUPPORT
SIGN IN
被动
Learn by doing
listening
spelling
comprehensive
LESSON 1
be done
listening
spelling
comprehensive
LESSON 2
was done, have been done am/is/are being done
listening
spelling
comprehensive
LESSON 3
be done by
listening
spelling
comprehensive
LESSON 4
be done?
LEARNING TIPS
VOCABULARY