When asked why he is so successful in his life, RongYiren said honesty is the ________ cause of his success．

A．fundamental

B．unbelievable

C．obvious

D．genuine

Doing volunteer work in your spare time will definitely ________ you a lot , as it can help you get to know society better．

A．starve

B．balance

C．limit

D．benefit

The father has been struggling for many years in order that his only son can be ________ with higher education．

A．served

B．equipped

C．offered

D．received

After years of careful observation in the wild, Jane Goodall was finally able to ________ the social system of chimps．

A．carry out

B．pick out

C．look out

D．work out

Mr．Black had a stomachache for a long time, so he decided to ________ his doctor and find out the problem．

A．admire

B．encourage

C．greet

D．consult

China is developing at such an astonishing ________ that it takes on a new look every day．

A．altitude

B．achievement

C．rate

D．direction

Although he is very young, he is much more experienced than others ________ working ability．

A．in praise of

B．in terms of

C．in need of

D．in search of

The three-year-old girl's behaving ________ at the table surprised all the other guests and won her a lot of kisses．

A．normally

B．abruptly

C．apparently

D．properly

The fact that too many advertisements are ________ in TV programs has upset most TV viewers．

A．surrounded

B．carved

C．inserted

D．circulated

Economy is booming, so it is hard for some of the firms to ________ enough labor , though their working conditions are rather good．

A．hire

B．fire

C．use

D．recommend