The accident is reported to have occurred __________ the first Sunday in February.
| A．at | B．on | C．in | D．to |
He does so little work in the office that for all practical purposes it would make no difference _______ he didn’t come.
| A．if | B．when | C．why | D．whether |
— May I go and play with Dick this afternoon, Mum?
No, you can’t go out _______ your work is being done.
| A．before | B．until | C．as | D．the moment |
— What should I wear to attend his wedding party?
— Dress _______ you like.
| A．what | B．however | C．whatever | D．how |
_____ different life today is from _______ it was thirty years ago.
| A．What; what | B．What a ; what | C．What a; how | D．How; what |
．To his great excitement, the day he looked forward to _______ at last!
| A．had come | B．coming | C．came | D．to come |