Find out a mistake in the following sentence and correct if (找出句中的错误，并改正)：

No one is allowed to enter into the office without permission.

[　　]

A．is 　B．enter into  　C．office 　D．permission

Find out a mistake in the following sentence and correct if (找出句中的错误，并改正)：

To our surprise, he came without invited.

[　　]

A．To 　B．he　  C．came 　D．invited

Find out a mistake in the following sentence and correct if (找出句中的错误，并改正)：

You must have to finish all of your homework before you can go home. 

[    ]

A．must have to　 B．all 　  C．homework　 D．before

Find out a mistake in the following sentence and correct if (找出句中的错误，并改正)：

The prices of recorders in this area are very cheap , so most families can afford them.

[　　]

A．in　 B．are 　 C．cheap 　D．them

Find out a mistake in the following sentence and correct if (找出句中的错误，并改正)：

At the north of the factory is a small hill not more than two hundred metres high.

[　　]

A．At　 B．is  　C．not 　D．high

Find out a mistake in the following sentence and correct if (找出句中的错误，并改正)：

More than one student are going to visit the Science Museum with the teacher.　　

[    ]

A．than 　B．are　 C．to visit　 D．with

Find out a mistake in the following sentence and correct if (找出句中的错误，并改正)：

You had better to go over your lessons once more.

[　　]

A．had 　B．to go　  C．lessons 　D．once

Find out a misstake in the following sentence and correct it（找出句中的错误，并改正）：

例：Mark could not only write in English but also in French when he was in his twentise.

答案：A, could wrtie not only

Grammar is little use if you don’t have much practice in speaking and writing.

[　　]

A．little use 　 　B．if

C．don’t have　　 D．in speaking

Find out mistake in the following sentence and correct it（找出句中的错误，并改正）：

例：Mark could not noly wirte English but also in French when he was in his twenties.

答案：A, could write not only

Will your father like to come to give us a speech?

[　　]

A．Will 　B．to come  　C．to give　 D．a speech

Find out a mistake in the following sentence and correct it（找出句中的错误，并改正）：

例：Marx could not only write in English but also in French when he was in his twenties.

答案：A,could write not only

People were used to count with fongers a long time ago.

[　　]

A．were used 　 B．to count  　 C．with 　D．ago