—________ will your father be back?
—My father will be back in half an hour.
A．How long B．How soon C．How often D．How far
Old people should ________politely.
A．be spoken to B．speak C．speak to D．to be spoken
—What happened ________Sarah?
—She failed in the English test.
A．to B．with C．in D．on
Several ________ students came to the meeting.
A．thousand B．thousands C．thousand of D．thousands of
This book is ________for a six-year-old child to read.
A．enough easy B．enough easily C．easy enough D．easily enough
The window was broken. Try to ________who has broken it.
A．find B．look C．find out D．look for
