When I met him the other day, it was the first time we ________ each other since we were at school．

saw

had seen

were seeing

have seen

_________ yourself steady and you will not lose the balance．

If you held

Holding

Once you hold

Hold

She has set a new record; that is, the sales of her latest book _________ 50 million．

have reached

had reached

are reaching

was reached

You can take as many as you like because they are free of _________．

fare

charge

money

pay

Oh, boy, why are you killing your time this way? Can’t you find something _________ doing at all?

useful

valuable

worth

good

The paper _________ so be careful when you write．

is torn easily

is torn easy

tears easily

tears easy

What _________ the doctors most was that they themselves had found the cause of the disease．

astonished

puzzled

surprised

amused

Some researchers believe that there is no doubt _________ laughter is good for health．

which

that

what

whether

These are all _________ houses for the homeless children．

newly-building

newly-builder

new-building

newly-built

Who do you think will _________ now that the governor has been dismissed?

take off

take on

take over

take up