Our classroom is very clean. Do you know who＿＿＿cleaned it?
| A．was it that | B．it was that | C．was it who | D．he was |
It’s nothing unusual to experience failure, andought we to be so discouraged.
| A．in no time | B．by all means | C．in no way | D．in any condition |
All the passengers and suitcaseswere still waiting on the broken-down old bus had to be transferred to another long-distance bus.
| A．they | B．who | C．that | D．which |
．—you got to know where I was yesterday?
—Through a student.
| A．Where was it that | B．When was it that |
| C．How was it that | D．Was it how that |
Scotland liesthe north of England, it isof Britain.
| A．to; part | B．on; the part | C．in; part | D．to; the part |
When lastvaluable, those books enjoyed great success.
| A．finding | B．found | C．being found | D．to be found |