有3道英语选择题.
1.If you plant watermelon seeds in the spring ,you( )fresh watermelon in the fall.
A.eat B.would eat C.have eaten D.will be eating
为什么不能选B啊?是不是后面不能用would那种的?
2.For many years,people( )electric cars .However,making them has been more difficult than predicted.
A.had dreamed of B.have dreamed of
C.dreamed of D.dream of
这题为什么不选C啊?为什么一定要在前面加一个have?
3.The traffic rule says young children under the age of four and ( )less than 40pounds must be in a child safety seat.
A.being weighed B.to weigh C.weighed D.weighing
不是说weigh无进行无被动吗?为什么选D呢?
因为老师讲过一遍我还是没懂又做错了.
第1句不就是虚拟的吗?不是有个IF吗?
第3句没看懂.