My sister is only four years old, but she can look after ________ now.
| A.she | B.her | C.hers | D.herself |
The old man keeps coughing________.I’m afraid you have to send him to hospital.
| A.between morning to night |
| B.from morning to night |
| C.between morning and night |
| D.from morning and night |
In the nineteenth century, English became international language.
| A.an | B.a | C./ | D.The |
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.
| A.No, thanks | B.Not at all |
| C.That’s all right | D.No problem |
—Peter has changed a lot, hasn’t he?
—Yes.He used to _______ the guitar but now he is more ______ in playing soccer.
| A.play;interested | B.plays;interested |
| C.play;interesting | D.playing;interest |