Tìm lỗi sai và sửa lại :
1 They are swimming in the river ?
......................................................

Điền do / don't ; does / doesn't ; is / isn't ; are / aren't cho thích hợp 
1 We ...................... want to go to London , but they ............
2 I ............think the bank .......open today 
3 .............. Stephanie know where the meeting .............?
4 Where ........... Chris and Mike ? They ...........usually late for work 

Sắp xếp câu :
1 at / school / opens / cafeteria / the / lunch / time / only .
.........................................................................................
2 shelves / have / literature / these / left / the / history / and / on  / books
....................................................................................................................
3 in / HaNoi / is / find / easy / to / house / a / it / not.