My pen pal Andrew found it difficult ______ Chinese well
#50638
A
learning
B
learn
C
to learn
D
learned
推荐题目
He looks __________. Give him something__________.
#49643
A
tired; to eat
B
angry; to drink
C
hungry; to eat
D
worried; to do
The boy with two dogs _____ in the yard when the earthquake rocked the city．
#51208
A
is playing
B
was playing
C
are playing
D
were playing