His explanation that he is at________loss what to do next doesn’t hold________water.
| A．a；/ | B．a；the |
| C．the；/ | D．/；/ |
I’m not sure whether this is the room ________ she left her dictionary.
| A．where | B．that | C．which | D．in that |
John is very __________. －if he promises to do something he’ll do it.
| A．independent | B．confident | C．reliable | D．flexible |
----- “Where is Mother.”
------ “She is still in the kitchen. She _______ the housework all morning.”
| A．is doing | B．was doing | C．has done | D．has been doing |
In the late afternoon, it is cold that our water bottles froze.
| A．as | B．such | C．so | D．too |
I’d like to go straight to help people, ________ when they are in trouble.
| A．especial | B．special | C．specially | D．especially |