—It’s too hot . Would you mind my ____ the window?—_______ . Do as you like, please!
---I met Daniel in the street yesterday, I ________ him since he left for Beijing. --- Well, does he look like what he used to be?
The old man keeps coughing________.I’m afraid you have to send him to hospital.
In the nineteenth century, English became international language.
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.