英语填空题（用所给词的正确形式填空）^_^1.this kind of computer is worth _(buy)2.he alwasy practises_(piay) the piano after school3.don't open your books.please keep them _(close)4.amy is good at _(dance)5.it's my first time _(visit)the great wall6.you'd better_(do)it at once7.the boys _(piay) football when i got there 8.stamps are used for _(send) letters9.mr zhang _(leave) for beijing next week10.he _(read) while i _(eat) an apple this morning

1、buying ，考察的是be worth doing sth
2、playing ,考察的是practise 的用法，practise doing sth.
3、closed ,这里是考察keep ，使得书保持的状态。。。
4、dancing ,good at doing sth.善于做某事
5、to visit,考察的是it's the first time to do sth.
6、do ,这里是考察had better do sth.最好做某事
7、were playing ,后面出现when 一般就要考虑到要用进行时
8、sending ,这里考察的是be used for sth./doing sth.
9、is leaving ,表示某一个动作即将要发生。。
10、was reading,was eating,这是考察while 的运用，要保持前后的时态一致。。。。
不知道这样的解释，满意不？？如果想知道更加多的解释，欢迎交流。。。谢谢。。。

1.buying
2.playing
3.closed
4.dancing
5.to visit
6.do
7.were playing
8.sending
9.is leaving
10.was reading;was eating
这是我自己做的，应该没什么问题~~

buying
playing
closed
dancing
to visit
do
were playing
sending
will leave
was reading;was eating

buying
playing
closed
dancing
visiting
do
were playing
sending
is leaving
was reading was eating