Opening the parcel, hewas surprised ____________ what he saw.

He is negligent .......... his duties.

English belongs (from/to/on/in) those who use it.

Water consists _____ oxygen and hydrogen.

We might need more food, depending ____ how many people turn up.

The participants must find _______________ all the answers in order to go in the next round.

Do you think we’ll find a solution ___________ the problem?

Thin gloves aren’t very suitable __________ that kind ofwork.

She is always fed up .......... washing dishes after dinner.

He is looking .......... his glasses.

I'm not acquainted (at/in/with/of) those flowers.

I’m not familiar ____________ his name, but his face seems familiar me.

The Americanpeople shared ___________ the Soviet people their satisfaction for the safe flight.

Due to industrialization, we have to cope ... the fact that many  species are ......... danger ........ extinction.

We areall aware____________ the importance of the environment protection.

Many students aren't keen ....... their study at school.

I always come _____ school _____ foot.

“Where’s the light switch?” “It’s ........ the wall ........... the door.”

When are you leaving ......... Singapore? This week or next week?

Lack ..... food had stunted his growth.

My cat is very fond _____ fish.