11．Let me answer your question．
let me answer your question．
12．She read an interesting story just now ．
She an interesting story just now ．
13．Everyone has passed the exam．
has passed the exam．
14．They have already studied here for three years．
They here for three years ．
15．Both of the twins have been to Beijing．
of them been to Beijing．
16．She is still a child．
She is a child．
17．I want some tea，too．
I want tea， ．
18．She has to wait for the next bus．
She to wait for the next bus．
19．There is a lot of work to do tomorrow．
There work to do tomorrow ．
20．He always walks to school．
He walks to school．
参考答案：
11．Don't 12．didn 't read 13．N obody 14．haven't studied；yet 15．Neither；has 16．no longer 17．don't；any ；either 18．doesn't have 19．isn't much 20．never
