---Allen, are you coming with us?
---I’d love to, but something unexpected ____.
| A．has come up | B．was coming up | C．had come up | D．would come up |
It is a common for Chinese to have banquets or drinking parties when treating important guests, on major occasions and during festivals.
| A．sense | B．practice | C．rule | D．reality |
With several rounds of talks, the union leaders successfully an agreement for a shorter working week.
| A．deserved | B．negotiated | C．persuaded | D．demanded |
---Could you help me take care of my pet dog on the 19th?
--- I’m afraid I’m not that day.
| A．vacant | B．sufficient | C．available | D．convenient |
---My Dad began to teach me English when I was eight.
---Wow. You must have studied English for six years, ?
| A．haven’t you | B．mustn’t you | C．needn’t you | D．don’t you |
--With the country’s pension fund gap becoming wider than ever, retirement age should be postponed immediately.
---Easier said than done. we take all factors into account, we shall be faced with some other social problems.
| A．Unless | B．Until | C．When | D．Once |