A group of people ________ playing basketball there．
A．am
B．is
C．are
D．be
Some of the water in the rivers ________ not clean．
A．am
B．is
C．are
D．be
She is enjoying herself there．(同义句转换)
She is ________ ________ ________ ________ there．
(2013江苏南京)—________ weather it is！We can’t go boating on the Xuanwu Lake．
—Don’t worry．Let’s go to the Science Museum instead．
A．What good
B．How good
C．How bad
D．What bad
Judy and Nancy are sitting ________ the pool and reading books．
A．at
B．by
C．in
D．to
—________ the weather like today？
—It is rainy．It’s too boring．
A．How
B．What
C．How’s
D．What’s
