II.Supply the correct verb forms
1.Nam's father (work).................in this company for 20 years
2.Ba enjoys (get) ............up late on Sunday mornings
3.Do you want (send).................. it airmail or surface mail?
4.The teacher asked Nga (go)..........to the blackboard
5.He used to(play) ................the guitar when he (be)................a student
6.Last weekend,we (go) ............to the beach for fun
7.You mustn't (let).................the children play in the kitchen
8.You ought................(stop) playing computer games
9.The earth (circle)....................the sun once every 365 days
10.Ba is tall enough (play)...................volleyball
11.Hue,my hometown is a (peace).......................city
12.Children need to have a good (educate).....................
13.The students are playing (cheap)...........than airmail
15.She often actively (participation).................in social work