1, She said, "I must go now" A, She said she had to go now. B, She said she has to go then. C, She said she has to go now. D, She said she had to go then. 2, They are alway......video games A, play B, playing C, to play D, played 3, I'm very sorry for behaving.......last night A, Bad B, Badly C, well D, good Nếu được thì giải thích giúp mình ạ

`1.` `D.` She said she had to go then.

`-` Cấu trúc câu tường thuật:

`->` S `+` said / said to O / told O (that) `+` S + V(lùi thì) `+` ...

`-` Lùi thì: Must `+` V-inf `->` Had to `+` V-inf

`-` Đổi trạng từ chỉ thời gian: Now `->` Then

`2.` `B.` playing

`-` DHNB: They are always + Ving + ...

`-` Cấu trúc: $(+) S + am/is/are + always + V_ing + O$

`->` Nhấn mạnh – mang nghĩa lúc nào cũng hay một lời phàn nàn về việc gì đó

`3.` `B.` Badly

`-` Ta có: V `+` Adv

`-` Cấu: For `+` V-ing/N để diễn tả nguyên nhân ...

`->` Be sorry + for + Ving/Noun + ...