We’ll have to finish the job, _________.
| A．long it takes however | B．it takes however long |
| C．long however it takes | D．however long it takes |
---He was almost killed once.
---When was ______?
---______ was in 2012 when he was in the college.
| A．that; It | B．this; This | C．this; It | D．that; This |
Don’t defend him any more. It’s obvious that he ______ destroyed the fence of the garden even without apology.
| A．accidentally | B．carelessly | C．deliberately | D．clumsily |
---It rained cats and dogs this morning. I’m glad we took an umbrella.
---Yeah, we would have got wet all over if we ______.
| A．haven’t | B．didn’t | C．don’t | D．hadn’t |
______ we have enough evidence, we can’t win the case.
| A．Once | B．As long as | C．Unless | D．Since |
______ which university to attend, the girl asked her teacher for advice.
| A．Not knowing | B．Knowing not | C．Not known | D．Known not |