Chia động từ trong ngoặc, quá khứ thường
1 Who (be) the first man on the moon ?
2 I (be) at the gym last sunday , but I (not see) you there.
3 you (climb) Mount fansipan when you (be)in sapa ?
4 Last weekend , I (sit) at home and (watch) TV. On sunday afternoon , I (go) fishing with my father . It (be) very interesting .
5 What you (do) last saturday ? I (visit) the museum,then we (eat) at my favourite restaurant.
6 the olympic games (be) held once every four years . 
7 the first olympic games (take) place in greece in TT 6 BN
8 People (start) to use computers about 50 years ago
9 Where you (go) last weekend ? I (cyck) to the park with my friends . We (have) a lot of fun there.
10 How they (travel) to HN last month ? They (travel) by bus 
11 We (take) part in english speaking contest cast monday and I (win) the first prize
12 You (be) at his last birthday party ? No, I (be) busy,so I (not come)
13 What you (often do) when you (be) in HCMC ?
14 They (live) here in 2005
15 In the past , there (be not) many TVs