【单选题】We needn't _____ to school on Sundays. [ ]
【单选题】—I don't want _____ shopping. —What about _____ swimming? [ ]
【简答题】T hree-fourths of the suce of the earth (is, are) sea.
【单选题】Suppose he ___ with me, what can I do?
【简答题】A.going B.gone C.to go D.to be going
【单选题】______ the sun rising above the surface of the sea, we couldn ’ t help letting out a shout of joy.
【简答题】A line of diaphragm wall is driven 4m into a firm clay and retains, on one side, a 3m depth of sand on top of the clay. Water table is at the suce of the clay. The unit weight of the fill is 17kN/m...
【单选题】Why ______ to the supermarket? [ ]