The most ________ evidence of black holes comes from the research into binary star systems．

convince

convincing

convinced

convinces

After about half an hour’s bargaining, the salesman finally give ________ and let me take the computer for 3000yuan．

up

in

out

away

When he realized the police had spotted him, the man ________ the exit as quickly as possible．

made off

made for

made out

made up

In Britain today women ________ 44％ of the work force, and nearly half of the mothers with children are in paid work．

build up

stand for

make up

make for

The ________ lady burst into scream at the sight of the snake．

frightening

frightful

fright

frightened

The man was not ________ when he heard the ________ words．

frightening; frightening

frightened; frightened

frightening; frightened

frightened; frightening

The project had to be abandoned largely ________ a lack of government funding．

according to

due to

in the name of

in the eyes of

Jimmy was ________ his suitcase, feeling ________ about where he had put his passport．

searching for; puzzling

searching; puzzled

searching for; puzzled

searching; puzzling

People feel ________, for they simply cannot understand how he could have made such a stupid mistake．

puzzling

puzzled

to be puzzled

to puzzle

From his ________ eyes, I can see that he is ________ by my words．

puzzling; puzzled

puzzled; puzzling

puzzling; puzzling

puzzled; puzzled