II. Use the correct form of the words:
1/ The ( science ).................................................................................can know when a volcano will erupt.
2/ The village was ( complete )....................................................destroyed by the typhoon last week.
3/ Many people become ( home )...........homeless..................because of the ( nature ).........natural................disasters every year.
4/ ( Tidal ) ...............................waves are the result of an abrupt shift in the underwater movement of the earth.
5/ He was very tired, so he walked ( slow ).............slowly...........................................................................................
6/ If we go on littering, our environment ( become )...............................................................seriously polluted.
7/ Tet is the most ( importance ).........................................................................festival for Vietnamese people.
8/ Do you know the reason for ( celebrate ).................................................................................Mother’s day?
9/ We are very ( pride )............................................................................................................of our fatherland.
10/ They take part in many ( culture )..................................activities in their town.
11/ Easter is a ( joy )..............................festival which is ( celebrate ).....................................in many nations.
12/ Everybody cleans and ( decoration )...............................................................................the houses for Tet.
13/ She is always ( worry )............................................about her children because she lives far from them.
14/ He is an ( active )............................in the town charity program. He is very ( active )................................
15/ Pompeii was completely destroyed in AD. 79 by an ( erupt ).......................................of Mount Vesuvius.
16/ We can reduce garbage by ( recycle ).......................................................................................waste things.
17/ He ( learn ).....................................English since he was ten years old.
18/ My teacher suggests ( put )....................................garbage bins around the schoolyard.
19/ If you can’t find your place, he ( help )..................................you to get there with this map.
20/ What might happen if the ( pollute )..................................................................goes on?.
They live ( happy ).........................................................................................although they are very rich.
