Part of the reason Charles Dickens loved his own novel, David Copperfield, was ________ it was rather closely modeled on his own life．

what

that

why

whether

It took me a long time before I was able to fully appreciate what they ________ for me．

had done

did

would do

were doing

Mothers holding jobs outside the home should have ________ schedules to make it easier to care for their children．

heavy

smooth

flexible

complex

Those who suffer from headache will find they get ________ from this medicine．

relief

safety

defense

shelter

Your house is always so neat－how do you ________ it with three children?

manage

serve

adapt

construct

The living room is clean and tidy, with a dining table already ________ for a meal to be cooked．

laid

laying

to lay

being laid

Sam ________ some knowledge of the computer just by watching others working on it．

brought up

looked up

picked up

set up

Before the sales start, I make a list of ________ my kids will need for the coming season．

why

what

how

which

That's the new machine ________ parts are too small to be seen．

that

which

whose

What

The country has already sent up three unmanned spacecraft, the most recent ________ at the end of last March．

has been launched

having been launched

being launched

to be launched