I don’t understand the text, there are few new words.
| A．so | B．because | C．if | D．though |
—When will the engineer go to Singapore?
—Oh，I don’t know when he ___Singapore．When he ____ Singapore，I will call you．
| A．leaves for；leaves for | B．will leave for；will leave for |
| C．will leave for；leaves for | D．leaves for；will leave for |
—Could I finish it today or tomorrow ?
—Either day is OK．Take your time．You _________ do it as you like．
| A．can | B．must | C．need | D．might |
—I ___________ a science fiction from the library．
—Really ? How long ________ it _________
| A．was borrowed，has been kept | B．have borrowed，has been kept |
| C．borrowed，was kept | D．lent，has kept |
—If you have the chance，which dress will you choose ?
—I can’t decide．Maybe the second one is _______________ the two．
| A．the better in | B．better in | C．the better of | D．better of |
—There is a tiny window__the wall of the room and I saw something strange______it．
—Really? Why so strange?
| A．in，through | B．on，across |
| C．in，across | D．on，through |