I had a little trouble              English  grammar.
#51103
A
learn
B
learned
C
learning
D
to learn
推荐题目
I don’t have a friend _____.
#49430
A
to talk
B
talking to
C
to practice English
D
to chat with
--- Tom is one of _________ students in my class . --- Yes . He usually prefers _________ at home to playing outside . 
#49381
A
the most hard-working , studying
B
more hard-working , to study
C
the most hard-working , to study
D
more hard-working , studying
 Hainan Island is a good place_____.
#49976
A
go sightseeing
B
go sightsee
C
to go sightseeing
D
to go sightsee