This question is rather __________ for a child of only five years old. That's to say, you should ask a simpler one.
| A．complex |
| B．important |
| C．unusual |
| D．unbelievable |
It was when she was about to go to bed ______ the telephone rang.
| A．since | B．as | C．that | D．then |
____ was very ______ that little Jim wrote the letter.
| A．It, careful | B．It, carefully |
| C．He, careful | D．He, carefully |
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 |