9.11.1 Bài Tập 54

Oh, don't sit there. The stool isn't _________ the armchair.

I didn't want to wake anybody, so I came in _________ I can.

We can't do crosswords _________ you do.

I'm sorry I'm a bit late. I got here _________ I could.

We like to keep fit, so we go swimming _________ we can.

It was a difficult question. I answered it _________ I could.

I prefer surfing to swimming. Swimming isn't _________ surfing.

How long can we stay with you? ~ You can stay _________ you like.

Why don't you buy a motorbike? A motorbike isn't _________ a car.

I need the information quickly, so please let me know _________ possible.

I don't like these plastic screws. Plastic isn't _________ metal.