YOU SHOULD ... MORE TIME ON YOUR ENGLISH. ( SPEND / SPENDING / TO S...

6. - KIEM TRA ANH 8 SO 2 HKI
KIEM TRA ANH 8 SO 2 HKI
6. You should ... more time on your English. ( spend / spending / to spend )II. Fill in the blanks with suitable prepositions.( at ; in ; on ; between )