He's got himself into a dangerous situation ________ he is likely to be accused of meeting someone．

A．where

B．which

C．while

D．why

You may send me an e-mail or just give me a call．________ will do．

A．Neither

B．Each

C．Any

D．Either

The population of China is larger than ________ of the United States．

A．this

B．that

C．these

D．those

Did he find ________ hard to learn a foreign language?

A．that

B．him

C．it

D．himself

Come and see me whenever ________．

A．you are convenient

B．you will be convenient

C．it is convenient to you．

D．it will be convenient to you

The students in the class were ________ four groups before they started the game．

A．divided into

B．separated into

C．divided from

D．separated into

The thief admitted ________ over 10 motorbikes and now he has been arrested

A．to steal

B．to have stolen

C．stealing

D．having stolen

Victor apologized for ________ to tell me 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

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

A．which

B．that

C．what

D．whether

Tom's mother kept telling him that he should work harder, but ________ didn't help．

A．he

B．which

C．she

D．it