Mark the letter A, B, C or D to show the underlined part that needs correction.
16. (The) teacher says this (exercise) must be (do) (carefully.)
A B C D
17. (Miss Lien) who (sing) very well (is) my (English teacher.)
A B C D
18. Van (has learnt) a lot (about) life (on) a farm since he (arrive) here.
A B C D
19. Nam (can play) football (better) (more than) his friends (can).
A B C D
20. My brother (loves) (read) about (wild animals) and (natural) mysteries.
A B C D