So far there is no proof people from other planets do exist.
| A．how | B．what | C．which | D．that |
---Are you still very busy?
---Yes, I _____ the report for the manager and it won’t take long．
| A．have just finished | B．am just finishing |
| C．had just finished | D．am just going to finish |
I soon found that the work I was doing had already been done by someone else．_____，I was wasting my time．
| A．In a word | B．In other words | C．In one word | D．In short |
I _____ all the cooking for my family, but recently I’ve been too busy to do it．
| A．will do | B．do | C．am doing | D．had done |
The thief spoke in a _____ voice and the little boy was very ____．
| A．frightening; frightened | B．frightened; frightening |
| C．frightening; frightening | D．frightened; frightened |
---You should have thanked her before you left．
---I meant ____ , but when I was leaving I couldn’t find her anywhere．
| A．to do | B．to | C．doing | D．doing it |