Is this the reason ________ at the meeting for his carelessness in his work?

A．he explained

B．what he explained

C．how he explained

D．why he explained

When I try to understand ________ that prevents so many Americans from being as happy as one might expect, it seems to me that there are two causes．

A．why it does

B．what it does

C．what it is

D．why it is

Among all these flowers ________ a kind of red rose, which was given by my friend．

A．is included

B．include

C．were included

D．included

You shouldn't take books out of the library without the ________ of the assistant．

A．encourafement

B．approval

C．explanation

D．management

________ what has recently been done to provide more buses for the people, a shortage of public vehicles remains a problem．

A．Except for

B．Due to

C．Because of

D．In spite of

My teacher asked me to copy ________ article ________ second time．

A．an; the

B．an; a

C．the; a

D．the; the

I love the babies in the kindergarten very much．As you know, to them I'm ________ I'm a teacher．

A．a mother much as

B．much a mother as

C．as a mother much as

D．as much a mother as

Value every minute of your life, for who can tell what will happen in the minute ________?

A．coming

B．will come

C．to come

D．is to come

She had a nervous expression on her face, ________ she were expecting trouble．

A．even though

B．as though

C．even as

D．in that

You see, the MP4 I bought in your store doesn't work now．Is there any possibility ________ I get my money back?

A．where

B．which

C．that

D．now that