1. I think Da Nang is not so exciting as HCM city ( MORE)

--> I think HCM CITY is more exciting than Da Nang.

2. I'll consider it carefully and give you an answer next week ( OVER)

--> I'll look it over and give you an answer next week

3. His parent raised him very strictly

--> His parent grew him up very strictly.

4. ''Should I tell this to her?'' he asked himself (WHETHER)

--> He wondered whether he should tell that to her