A EX1
1. ...........fishing..............
2. ............swimming..........
3. ...........eating..............
4. ............living.....................
5..................watching...................
6. .....................meeting...........................
7. .............going................
8..................listening................
9..................doing..................
EX2
1.It is good idea (wear) school uniform to visit Ho Chi Minh's Mausoleum. ->to wear
2.It is not necessary for you (take) warm clothes. ->to take
3. would you like (have) dinner with my family -> to have
EX3
1 .................have.................
2 ...................not get................
3 .................have..............
EX4
1. ............ have decided..............
2. ...............has become...........
3. ..............has been............
4...............have been.............
5. ....................has done..................
