This book cost her twenty yuan , ?
Which is the circuit diagram(电路图)of the picture on the right?
一Would you please help me with my writing skills? 一_______.You can come to my office every Saturday.
—Peter has changed a lot, hasn’t he? —Yes.He used to _______ the guitar but now he is more ______ in playing soccer.
一Were you at home at 9:00 last night? I called you but nobody answered. —Sorry, I _______ at that time.
一Jack didn’t pass the exam and he is upset these days. 一Yeah, Let’s _______.