In _____ preparation for the launching of Shenzhou Ⅶ, scientists need ______ knowledge of weather changes.
| A．the; the | B．a; ∕ | C．∕; a | D．the; a |
—Did you have any trouble with the customs officer?
—________ to speak of.
| A．No | B．Nothing | C．None | D．Neither |
Who would you rather ________ the watch?
| A．have to repair | B．have fixed | C．get repaired | D．get to repair |
Some people are good at ________ but bad at giving back.
| A．borrowing | B．taking | C．bringing | D．lending |
—How long do you think it is ________ he arrived here? —No more than half a year, I believe.
| A．when | B．that | C．before | D．since |
—I had a good holiday at my uncle's. —________ .
| A．Oh, that's very nice of you | B．Congratulations | C．Oh, I'm glad to hear that | D．It's a pleasure |