_________ your rotten idea, we went the long way．

Thanks to

Due to

Owing to

Because

_________ year after year, tigers are becoming fewer and fewer．

Having been killed

Killing

Killed

Having killed

It was the training ________ he had as a young man ________ made him such a good engineer．

what; what

which; that

that; which

that; what

In order to improve your writing, you’d better write ________．

more or less

little by little

now and then

step by step

________ makes me feel sick the way she thinks everybody’s in love wit her．

What

That

As

It

I ________ my homework yesterday, but unfortunately I forgot about it totally．

need have handed in

should have handed in

must have handed in

may have handed in

After ________ seemed a long time, they finally arrived at the destination．

what

it

that

which

All people around him like him, for he has a strong ________ of humor．

sense

idea

feeling

thought

Keep on trying, ________ you will find a way out．

so

but

or

and

By the time Billy was 6, he ________ in the sea．

had already swum

was already swimming

has already swum

already swam