The volunteers ________ a lot of help to the old and the young since 2010.
A:offered
B:have offered
C:are offering
D:will offer
Mike: Look! It's a monkey.I like it.
Chen Jie: Look! It's a panda. I like it.
John: Look! It's a bear. I like it.
Sarah: Look! It's an elephant. I like it.
Wu Yifan: Look! It's a duck. I like it.
⑴ ____ A.
⑵ ____ B.
⑶ ____ C.
⑷ ____ D.
⑸ ____ E.
—他正在看电视。
—What ____ he ____?
—He ____ ____ TV.