She doesn't know _________________ made her daughter so sad this morning.
| A．what was it | B．why it was that |
| C．how that was | D．what it was that |
The boy insisted that he __________ the glass. He said that he was not there then.
| A．hadn't broken | B．didn't break |
| C．haven't broken | D．not break |
—Sorry, sir. I'm late again.
—What excuse will you __________ for yourself this time?
| A．set up | B．take up | C．pick up | D．make up |
This box __________ all the books you need, __________ an English-Chinese dictionary.
| A．contains; included | B．contains; including |
| C．includes; contained | D．includes; containing |
We'd better set off or it will be dark __________ we know it.
| A．before | B．after | C．when | D．until |
I ___________in the No.8 Middle School for three years, and I have been in this school for one and a half years.
| A．have studied | B．had studied |
| C．studied | D．was studying |