―Hello！May I speak to Jack, please?
―Yes, speaking.
－Oh, I _______ your voice at first.
| A．don’t recognize. | B．didn’t recognize. |
| C．hadn’t recognized. | D．haven’t recognized. |
---- 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 |
_______ excited his parents most is that he had passed the entrance exam and was admitted into his dream college.
| A．That | B．What | C．Which | D．It |