—Maria likes singing. Do you often hear her _______ after class?—Yes, I do. 
#49776
A
sing
B
to sing
C
sings
D
sang
推荐题目
Nowadays it’s very useful ______ a foreign language.
#48542
A
learn
B
learned
C
to learn
D
learns
The couple ______at this time yesterday. Nobody knew when they stopped.
#50618
A
heard quarrelling
B
heard to quarrel
C
were heard quarrelling
D
was heard to quarrel
It took her some time_______English in class.
#49634
A
to finish reading
B
to finish to read
C
finish reading
D
finish to reading