( )It’s 3:00. It’s time _____________ PE class.
A. on B. to C. for
A：What's this?
B：It's a ________.
A：Oh，it's big.
A：Hi，Yang Ming.What's this?
B：A chick?
A：No，it's a ________.
“下午好，孩子们。”可以这样说：________
A．Good afternoon，boys and girls. B．Good night，boys and girls.
你想知道现在是几点钟了，可以问：________
A．What's this?B．What time is it?
想知道别人喜不喜欢老虎，可以问：________
A．What's that?B．Do you like tigers?