Don’t be too ______ about what you eat, or you are likely to develop an unbalanced diet, which is harmful to your health.
| A．special | B．particular | C．concerned | D．worried |
He is always serious and doesn’t like _____.
| A．play jokes | B．being played jokes on |
| C．being played jokes | D．to play joke on others |
No one knows when such a custom first _____.
| A．came into power | B．came into being |
| C．came true | D．came out |
The students pretended_______ attentively when the teacher came in.
| A．to learn | B．learning | C．and learned | D．to be learning |
________ he returns to his native land.
| A．It is long that | B．It is not before long that |
| C．It won’t be long before | D．It will be long until |
--- Hi, Torry, can I use your computer for a while this afternoon?
--- Sorry, _____________.
| A．it is repaired | B．it has been repaired |
| C．it’s being repaired | D．it had been reapired |