1.I(not see)....didn't see........him playing soccer yesterday

2.Jacpues Cousteau(invent)...invented....a deep-sea diving vessel in the 1940s

3.My school often(organize)...organizes..many sport activities on Teacher's Day

4.The headmaster(buy)..bought...a lot of the table tennis competition last week

5.The instructor(train)..train....us badminton twice a week

6.Yesterday I (be)..was...sick so I(not go)..didn't go...to the training course

7.Nam (take)....took.....part in the table tennis competition last year

8.The swimming pool in our school(be)...was...built in 2001

9.He(play)..played...tennis badly before but now he(be)..is....a good tennis player

10.Ba(have)...had..an accident in the swimming pool because he (not listen)...didn't listen..tho the pool lifeguards.Now he (stay)...is staying...... in hospital.

1.didn't see

2.invented

3.organizes

4.bought

5.train

6.was / didn't go

7.took

8.was

9.played / is

10.had / didn't listen / is staying