Bài tập 1:Give the correct form of the verbs in brackets.
1.   Are you going to have a rest tonight? You look tired. You (read) .................................. so much.
2.  The room looks so clean! - Thanks, I (just/ vacuum) .................................. in here.
3.  His joke (not come).......................... offyesterday. Nobody (laugh).........................
4.   I bought this car last week. It (cost) .......................... an arm and a leg!
Bài tập 2: Tick  to the correct sentences and correct the false sentences.
1.   What’s that smell? - I guess the fish has went off.                                         ........................

      2.   They kept me in the dark. I didn’t knew anything about that robbery.   ........................

      3.   It is late! 11.00 pm! By the way darling, I bought a new dress this         ........................
morning.

      4.   Uncle Jimmy came to stay with us last month; it was very nice.             ........................