su dung thi qua khu don hoac thi hien tai hoan thanh (giai thich )
1 what ........you (do )................last weekend ?.........you (play )...........goft
2 i like your car . how long ................you (have )............it ?
3 Quang (teach ) ..............math in this school since he (graduate ) ........................from the university in 1980
.4 ...............you (hear )...........Angratha Chritist ? she (be)...............a writer who (die ) in 1976 . she ( write ) ............more than 70 detective novels . .............you (read ) ...........................of them ?
5 when i (get ) .................home last night , i (be )...............very tiredand . i ( go )...................straight to bed
6 he (earn ) ...............some money last week but i am afraid he (already/spend ).......................it all
GIAI THICH