He's got himself into a dangerous situation ________ he is likely to lose control over the car．?

A．where

B．which

C．while

D．why

Finally I got the job I had dreamed about．Never in my life________ so happy．

A．did I feel

B．I felt

C．had I felt

D．I had felt

Do you have any doubt________ his strength? He can lift a mountain．

A．about

B．for

C．in

D．at

Her work was________ by her boss．

A．high thought

B．high thought of

C．good thought

D．well thought of

Charles Babbage is generally considered ________ the first computer．

A．to have invented

B．inventing

C．having invented

D．to invent

Father was much kinder to me than to the other children, ________, of course, made the others dislike me．

A．who

B．that

C．what

D．which

Mark Twain, ________ was Samuel Clemens, wrote many world famous novels．

A．the real name

B．what his real name

C．his real name

D．whose real name

The journey around the world took the old sailor nine months, ________the sailing time was 226 days．

A．of which

B．during which

C．from which

D．for which

You ________ be tired－you've only been working for an hour．

A．must not

B．won't

C．can't

D．may not

When first ________ to the market, these products enjoyed great success．

A．introducing

B．introduced

C．introduce

D．being introduced