—Come on，Kitty.
—Oh, good heavens! Both my legs are nearly to give out. I_______ for hours like a dog.
| A．have been walking | B．had walked | C．was walking | D．walked |
Once _____ in a theater wearing 3D glasses, you feel as though you are caught up in the story which is showing around you.
| A．seated | B．be seated | C．to sit | D．have been sitting |
---- Why do you always lie to our mother you love her cooking？
---- It’s only a white lie, so __________.
| A．my pleasure | B．don’t mention it |
| C．don’t bother | D．it’s no big deal |
---- The battery in my cell phone is running low.
---- I _____ that last night before we went to bed.
| A．was noticing | B．have noticed | C．had noticed | D．would notice |
Glass is _______ and must be handled with great care.
| A．sensitive | B．smooth | C．flexible | D．fragile |
Maybe you could be an inventor ---- maybe even good enough to ______ an idea for the next iPhone or new medicine for cancer.
| A．put up with | B．keep up with | C．catch up with | D．come up with |