________ Yang Liwei was trained for the travel is what I want to know．

A．How

B．Who

C．That

D．When

________ you can pass the exam or not depends on yourself．

A．What

B．That

C．How

D．Whether

Professor Lee's book will show you ________ can be used in other fields．

A．that you have observed

B．how that you have observed

C．how you have observed

D．how what you have observed

In some countries, ________ are called“public schools”, are not owned by the state．

A．that

B．which

C．as

D．what

________ come into leaves or blooms is obviously a sign of spring．

A．Trees

B．The trees

C．That trees

D．What trees

It is a rule in his family that ________ comes home earlier should cook the dinner for the family．

A．anybody

B．who

C．those who

D．whoever

They lost their way in the forest, and ________ made matters worse was that night began to fall．

A．that

B．it

C．what

D．which

________ was regarded as impossible has now become a reality．

A．What

B．It

C．That

D．Whoever

The work is ________ for us．We need ________ people．

A．much too; another three

B．too much; other three

C．too much; three more

D．much too; more three

You're not allowed ________ notices on this wall without special permission．

A．to hurry up

B．to send up

C．to put up

D．putting up