He was ______ about his ______ son, who is always skipping classes.
| A．worried, worried | B．worrying, worried | C．worried, worrying | D．worrying, worrying |
---Are you happy with this laboratory?
---Not a little. We can’t have__________.
| A．a worse one | B．such a worse one | C．a nicer one | D．such a nicer one |
．Friends are like leaves, __________everywhere, but true friends are like diamonds, precious and rare.
| A．to find | B．finding | C．being found | D．found |
．When__________a new word, you’d better__________a dictionary.
| A．come across; refer to | B．coming across; consult |
| C．coming across; look up | D．come across; look through |
It is said that the school will be built in__________is called developing zone.
| A．what | B．that | C．which | D．where |
---Did you stay up last night?
---Not very late. It was half past eleven__________I went to bed.
| A．when | B．that | C．before | D．since |