The aim is hard to arrive at; ________, it is worth doing so．

besides

however

otherwise

though

The officials from the United Nations ________ the fact that Iran isn’t involved in uranium enrichment(铀浓缩)．

hardly convince

are hardly convinced

hardly convince of

are hardly convinced of

Halfway to the farm, my car ________ of gas and couldn’t move a bit．

went out

took out

got out

ran out

I went to watch the musical Snow Wolf Lake, but, in my opinion, it was not so good as ________．

had expected

expected

expecting

was expected

The cars in the 1920s were much slower than those of today, but they ________ run faster than a bike．

would

did

had

have

When a holiday comes, tickets are not easy to get．You must book one ________, one or two weeks ahead of time, for example．

in advance

in time

in a hurry

in need

Love ________ marriage naturally, so don’t be too anxious to ask your girl friend for marriage right away．

comes from

makes up

results in

composes of

The worried mother rushed into the house, and ________ all the rooms, ________ no sign of her lost son．

searched; found

searching; finding

searched; finding

searching; found

I ________ my key to my office at home, so I had to wait until other teachers ________ to open the door．

had left; came

left; came

has left; came

left; would come

It ________ time to solve the racial and religious problem in Iraq．Don’t expect to ________ just a few weeks or months in making peace between different religious beliefs．

costs; take

takes; spend

spends; cost

costs; take