I. có một lỗi trong bốn phần gạch chân của mỗi câu. tìm và sửa lỗi đó (A, B, B hoặc D)
1) Vietnam is an multicultural country with 54 ethnic groups
A B .................C.................. D
1) We speak English fluent now than last year
A B C .....D.......
2) We broke with tradition by make sponge cakes for the Mid-Autumn
.......A......... B C
Festival instead of noon cakes
........D......
3) You has to take off your hats when you go to the pagoda
.....A... .....B...... C D
4) I don’t like this performance although it’t too boring
......A....... B C D