Last week, my kids along with other kids from the neighbourhood _______ to help me wash
my car.
| A．commanded | B．contributed | C．preferred | D．volunteered |
They were surprised that a four-year-old boy should work out such a difficult problem ____ they themselves couldn’t.
| A．once | B．then | C．while | D．if |
I think you ought to end it ____ it is too late, or you’ll kill yourself.
| A．even if | B．before | C．so that | D．once |
The girl got herself into a serious situation ____ she was likely to lose control over the motorbike.
| A．where | B．which | C．while | D．why |
Girl ____, she is much naughtier than a boy.
| A．although she was | B．though she is |
| C．though was she | D．although was she |
Mr Smith was so angry at all ____ Bill was doing ____ he walked out angrily.
| A．that; what | B．that; that | C．which; which | D．what; that |