---Your answer _________ right.
--- Really? But I’m not quite sure. __________ yours is right.
| A．maybe, Maybe | B．maybe, May be |
| C．may be, Maybe | D．may be, May be |
Tony________TV when his mother came in．
| A．watch |
| B．watches |
| C．was watching |
| D．is watching |
I saw him in the library yesterday．He________a book at that moment．
| A．reads |
| B．is reading |
| C．was reading |
| D．will read |
（北京）—What were you doing when we were playing basketball yesterday afternoon?
—I________the classroom．
| A．was cleaning |
| B．have cleaned |
| C．will clean |
| D．clean |
My alarm didn’t________．So I woke up late．
| A．put off |
| B．go off |
| C．take off |
| D．get off |
There is a ruler on the ground．Please________．
| A．pick up it |
| B．pick it up |
| C．pick up them |
| D．pick them up |