问题
选择题
—What _____ Yu Ping usually _____ in her free time?
—She usually goes to the library.
A．do; do
B．is; doing
C．does; does
D．does; do
答案
答案：D
题目分析：句意：余萍通常在空余时间做什么？她通常去图书馆。句中有usually ，所以时态是一般现在时，主语Yu Ping 是第三人称单数，助动词应用does,实意动词用原形 do，故选D。