1. chia động từ trong ngoặc
1. linh is my close friend . we ( know) ..................each other for five years
2. lan says she enjoys ( collect) ................pens but she won't continue her hobby next year
3. we ( clean).............up the dirty streets in our area last sunday
4. my mother ( cook) ..............in the kitchen at the moment . she likes cooking very much
1. chia động từ trong ngoặc
1. linh is my close friend . we (have known) ..................each other for five years
2. lan says she enjoys ( collecting) ................pens but she won't continue her hobby next year
3. we ( cleaned).............up the dirty streets in our area last sunday
4. my mother (is cooking) ..............in the kitchen at the moment . she likes cooking very much
1.have khown
2.collecting
3.cleaned
4.cooking
