（ ）It's time_______.
A.for school B.go to school C.for go to school D.to go school
答案：A
it's time for sth.= it's time to do sth,表示“是做某事的时候了,该做某事了”.
（ ）He likes watching his grandson______in the water.
A.swim B.swims C.swam D.swimmed
答案：A
watch sb.do sth.表示“观看某人做某事”.
（ ）There is______time for breakfast.
A.not B.no any C.no D.doesn't
答案：C
no 这里是形容词,修饰后面的名词time.
（ ）—______he______at this school last term?
—Yes,I think so.
A.Does；study B.Was；study C.Did；study D.Did；studied
答案：C
时间状语是last term（上学期）,是过去时间,这里用一般过去时态,再者,助动词后面接动词原形,所以正确答案是C.
（ ）My uncle has a new car now.He______100,000yuan on it.
A.bought B.spent C.paid D.took
答案：B
spend money on sth 表示“花费金钱在某事上”.