高二英语题（据汉语完成句子）1.河的两岸各有一台抽水机.There is a water pump_____ ______ bank of the river.2.我一直在写一封信.I____ _____ _____a letter.3.雨下了多久了?How long_____ _____ _____ _____?4.你近来在读什么书?What book____you_____ ____recently?5.我在这儿坐了一下午了.I______ ______ ______here all afternoon.

1.There is a water pump on each bank of the river.
2.I have been writing a letter.
3.How long has it been raining?
4.I have been sitting here all afternoon.
后面几句都是现在完成进行时的用法，指的是从过去开始的某个动作或状态一直持续到现在，而且有可能还会继续下去，和现在完成时很相似，好好体会就会明白了。

1. on each
2.have been writing
3.has the rain lasted
4.have been reading
5.have been sitting

1.There is a water pump on each bank of the river.2.I have been writing a letter.3.How long have it been raining?4.What book have you been reading recently?5.I have been sitting here all afternoon.