下文中共有10处错误，每句中最多有两处。错误涉及一个单词的增加、删除和修改。

增加: 在缺词处加一个漏词符号（︿），并在此符号下写出该加的词。

删除：把多余的词用斜线（\）划掉

修改：在错词下划一横线，并在该词下面写出修改后的词。

注意：1.每处错误及修改均只限一词。

　　 2.只允许修改10处，多者（从第11处起）不计分。

Rowena and Billy Wrangler are model high school students . They study hard . They do extreme well on achievement tests . And next year , Rowena will attending Harvard University . Billy , her younger brother , hoe to go to Cornell . That makes Rowena and Billy different from most students is that they don’t go to school . In fact ,they've never been to school . Since a kindergarten , they have studied at home . Neither Rowena or Billy feels as if they have missed out on nothing by being taught at home .As many of the more than one million people who receive home schooling in the United States , they feel if they have gotten a good education .

The new secretary is supposed to report to the manager as soon as she  ______  .
   A. will arrive   B. arrives  C. is going to arrive  D. is arriving

As far as we know, traveling in space has been made______with the development of science and technology.

　 A. it is possible　　 B. it possible　　　　 C. possible　　 D. impossible

________ you take a taxi, you will still miss the train.

A．Even if B．As if C．Even so D．If so

Without her I don’t think I would have _____ this work.（ ）

A. put on　　　　 B. taken on　　　 C. based on　　 D. relied on

______ the traffic jam, he didn’t catch his plane, which was reported to have crashed soon after it took off.

A. Because of　 B. On account of　 C. Due to　 D. Thanks to

It’s impolite to ______ others.

You shouldn’t have had your son telling people______(谎言) here and there.

Research ________ with the specific aim of monitoring market trends.

A．is doing　 B．will do

C．has done　 D．is being done

Worried about the time a　　 , Zhang Pingyu had made a list of the sites she wanted to see.