Mrs Green put salt in her cup of coffee _________． 　　　

[　　]

A． in mistake　　　 B． on mistake

C． by mistake　　　D． by mistakes

She was too fat that she could only get ______ the door of the bus sideways．

[　　]

A． cross　　　B． across　　　C． through　　　　D． onto

Since many common injures happen in the home, all parents _______ know some first aid． 　　　

[　　]

A． may 　　　B． can 　　　C． ought 　　　D． should

If a person is not breathing, we must start his _______ at first． 　　　

[　　]

A． breaths 　　　B． breathes　　　C． breathing 　　　D． breathe

We _______ go and see Jim tomorrow, but I don't think we will．

[　　]

A． should 　　　 B． can　　　 C． may　　　D． ought to

The students ought _______ each other in their study．

[　　]

A． help　　　B． to help　　　C． helps　　　D． helping

从A、B、C、D中找出划线部分与所给单词的划线部分读音相同的选项

food　　　

[　　]

A．blood　　　　　B．foot　　　　　C．school　　　　　D．flood

从A、B、C、D中找出其划线部分与所给单词的划线部分读音相同的选项

stomach

A． check　　　　B．chemistry　　　C． moustache　　　D． search

Cars and trucks can't ran very fast because the road was covered ________________ snow.

[    ]

A. of   B. under   C. with   D. in

My school is not the same _______________ it used to be.

[    ]

A. like   B. as   C. that   D. which