Lucy with Kitty _____ good at English. We often help them ____ their English. [ ]

The police _____ the man who lives next door _______ robbing the jewellery shop.

! What`s that ? – I can`t it .

Have you finished using my dictionary?—Yes, I put it back on your desk just now. Who ________ it away?

Why are there a lot of dead fish in the river?－Because they were ______ by the polluted water.