在Windows中,屏幕上显示的所有窗口中,只有一个窗口是活动窗口。
A. 对
B. 错
Shesaid,“It’snot_______responsibility.”
A. my
B. myself
C. mine
D.me
He_______methathe_______soon.
A. told;isleaving
B. tells;isleaving
C. told;wasleaving
D. tells;wasleaving
Mostoftheemployeeswerepleasedthatthey_______toimprovetheworkingenvironment.
A. havetakensteps
B. havetakenstep
C. hadtakensteps
D. hadtakenstep