It is the ability to do the job _______ matters not where you come from or what you are．

one

that

what

it

The father as well as his three children _______ skating on the frozen river every Sunday afternoon in winter．

is going

go

goes

are going

The purpose of new technologies is to make life easier, _______ it more difficult．

not make

not to make

not making

do not make

In order to gain a bigger share in the international market, many state-owned companies are trying _______ their products more competitive．

to make

making

to have make

having make

In order to make our city green, _______．

it is necessary to have planted more trees

many more trees need to plant

our city needs more trees

we must plant more trees

It seems that he has no pen _______．

to write

to write with

writing

writing with

She will tell us why she feels so strongly that each of us has a role _______ in making the earth a better place to live．

to have played

to play

to be played

to be playing

The boy wanted to ride his bicycle in the street, but his mother told him _______．

not to

not to do

not do it

do not to

Mrs．Smith warned her daughter _______ after drinking．

never to drive

to never drive

never driving

never drive

No matter how frequently _______, the works of Beethoven still attract people all over the world．

performed

performing

to be performed

being performed