Peter was so excited he received an invitation from his friend to visit Chongqing.
| A．where |
| B．that |
| C．why |
| D．when |
It might have been John _____ bought a present for Mary yesterday.
| A．that | B．when | C．what | D．which |
What is it _____ his daughter needs most?
| A．what | B．which | C．that | D．if |
Who was it _____ saved the drowning girl?
| A．since | B．as | C．that | D．he |
“How was ______ they discovered the entrance to the underground palace?” “Totally by chance.”
| A．it that | B．he that | C．it when | D．he which |
When was _____ that the general manager left for Japan?
| A．he | B．it | C．that | D．since |