—What do you think of the Huawei P7?
—Terrific, I would buy one if I ______ an iPhone 6 Plus last year.
| A．didn’t buy |
| B．don’t buy |
| C．hadn’t bought |
| D．haven’t bought |
There is no simple answer，________is often the case in science.
| A．as | B．that |
| C．when | D．where |
Finding information in today’s world is easy.The ________is how you can tell if the information you get is useful or not.
| A．knowledge | B．ability |
| C．competition | D．challenge |
Helen has been looking for a job over the whole year，feeling she can’t get________without work experience.
| A．one | B．it |
| C．that | D．this |
—I’d like to be on my own for a while.Do you mind?
—________.Go ahead.
| A．Not in the least | B．No way |
| C．Yes，of course | D．I’m afraid so |
—Does Shelley like shopping?
—Well，she would rather spend time________at home than________in the street.
| A．read；wander | B．reading；wander |
| C．in reading；to wander | D．reading；to wander |