№1 Fill in the gaps with back, for, after or forward to.

1 I am really looking _ Christmas this year, as my family are coming to visit.

2 Can you help me look _ my keys? I seem to have mislaid them.

3 When I look _on my childhood, I realize how lucky I was to not have any responsibilities.

4 I need to find someone who can look _ my dogs this weekend while I’m on holiday.

№2 Choose the correct item.

1 Living in this area is not allowed because it is _.

A polluted B populated C clean

2 _ cause pollution.

A moon shuttles B traffic jams C submarines

3 In the _ future hybrid cars will be affordable for all people.

A distant B remote C foreseeable

4 Did you know Australian _ used boomerangs to hunt?

A aboriginals B citizens C tribes