58. The last time I travelled to Hong Kong was two years ago. (for)

I haven’t travelled to Hong Kong for two years.

59. He couldn't find me at the exhibition. (able)

He wasn’t able to find is believed to good for you.

60. "Why don't you search for the recipe of this dish from the Internet?"

"If I were you, I would search for the recipe of this dish from the Internet ", said my sister.

`58.`I haven't travelled to Hong Kong for two years.

`=>`The last time + S + V2/ed + was + time

`=`Phủ định của hiện tại hoàn thành : S + have/has not + Vpp + since/for + time

`59.`He wasn't able to find me at the exhibition.

`=>`S + can/could + V bare : ai không thể làm gì...

`=`S + be able to + V_inf

`=`It + be possible + for O + to V

`60.`"If I were you, I would search for the recipe of this dish from the Internet." said my sister.

`=>`Why don't we + V_inf ? ( Câu gợi ý )

`=`If I were you, I would + V_inf