Many of them turned a deaf ear to his advice，________ they knew it to be valuable.

A．as if  B．now that

C．even though  D．so that

A man cannot smile like a child，________ a child smiles with his eyes，while a man smiles with his lips alone.

A．so  B．but  C．and  D．for

________，he talks a lot about his favorite singers after class.

A．A quiet student as he may be

B．Quiet student as he may be

C．Be a quiet student as he may

D．Quiet as he may be a student

If you are traveling ________ the customs are really foreign to your own，please do as the Romans do.

A．in which  B．what  C．when  D．where

In peace，too，the Red Cross is expected to send help ________ there is human suffering.　　　　　　　　　　　　　　　　　

A．whoever  B．however  C．whatever  D．wherever

(2013·皖南八校联考) ________ a lady of her necklace, the young man was arrested on the spot by a policeman.

A．Having caught robbing             B．Caught robbing

C．Being caught robbing               D．Catch robbing

(2013·菏泽模拟)The building project ________ next year is not easy ________ in time.

A．being carried out; to complete

B．carried out; to be completed

C．to be carried out; to complete

D．to be carried out; to be completed

It's no good ________ here this morning. Come again on Monday.

A．wait                           B ．waiting

C．having waited                   D．to be waiting

(2013·北京市西城一模)All the books ________ by the students are reported to have been sent to the children in the countryside the other day.

A．having offered                 B．to be offered

C．offering                       D．offered

(2013·成都七中考前模拟)If you decided to study in America, you have no choice but ________ your English greatly.

A．improves                       B．improving

C．to improve                     D．improve