—I always close all the windows before I sleep. —You’re right. You can not be too ____.
| A．careful | B．nervous | C．careless | D．hurried |
I have no idea __ the Greens has moved to Hangzhou or not.
| A．when | B．that | C．which | D．whether |
---Is he here now?---No, I ___ he ___ here by now.
| A．thought, was | B．think, will be | C．think, is | D．thought, had been |
My brother tried ___, but still he couldn't work out this maths problem.
| A．a great deal of | B．a great deal | C．a number of | D．lots of |
He seemed as if he ___ his homework when his mother came in.
| A．did | B．is to be doing | C．were doing | D．be doing |
The poster says that a writer and poet ___ to give us a talk on English next week.
| A．is | B．are | C．be | D．will be |