Along with his letter was his promise ________ he would visit me this coming week．

[　　]

He found the place _______.

[　　]

The pilot asked all the passengers on board to remain________ as the plane was making a landing．

[　　]

Victor apologized for ________ to inform me of the change in the plan．

[　　]

A．his being not able

B．him not to be able

C．his not being able

D．him to be not able

The other day，my brother drove his car down the street at________ I thought was a dangerous speed．

[　　]

I'm going to the supermarket this afternoon．Do you have anything _________?

[　　]

________, some famous scientists have the qualities of being both careful and careless．

A．Strangely enough

B．Enough strangely

C．Strange enough

D．Enough strange

--Does he speak French or German?

--He speaks ________. But he knows some Spanish.

[　　]

Although he has lived with us for years, he _________ us much impression．

[　　]

I have worked with him for some time and have found that he is ________than John．

[　　]

A．more efficiently a worker

B．a more efficient worker

C．more an efficient worker

D．a worker more efficiently