bài đầu tiên
1/ B. bacteria  ; 2/ D. inside   ; 3/ A. sunlight           ; 4/ C. like      ; 5/ A. by
6/ D. covered  ; 7/ C. another            ; 8/ B. Inside   ; 9/ C. too        ; 10/ D. virus

1./the chilren / always / fond/ candy/ such/chocolate/ cakes
2. My teacher/sometimes/ get/angry/ me / because/I/ not homework
3. Nhung /good/ studious/ student / and / never / late / school
4. It/ seldom / rain/ summer / that place
5. She / occasionally/ misunderstand/ me / but / it / not / matter
6.my mother/ go / marker / twice / week
7. she / usually / afraid/ dogs / but / she / like / cats
8. How offen / you / go / dancing/ club/ summer
9. we / offen / go / there / four times/ month / summer