There is ____”U” and _____”S” in the word “use”.
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.
—Peter has changed a lot, hasn’t he?—Yes.He used to _______ the guitar but now he is more ______ in playing soccer.