#MHT
Câu 11. Thank you for looking______ my children while I was out. A. after B. for C. up D. at
Look after: Trông coi

Câu 12. Does your mother type ______than your father? A. fast B. faster C. the fastest D. more fast
Than 
⇒ Faster (So sánh hơn)

Câu 13. Students must ______ to class on time. A. going B. went C. to go D. go
Must
⇒ $V^{inf}$ 

Câu 14. Nam seldom goes fishing, ______? A. does he B. doesn't he C. isn't he D. does Nam
Để hỏi ai có làm việc gì đó không dùng "Do+S"
Ở đây 'he' số ít -> Does

Câu 15. My bike ______ by my father yesterday. A. repaired B. was repaired C. is repaired D. repairs
Yesterday
⇒ Repaired (Quá khứ đơn)

Câu 16. Hoa enjoys ______ to My Tam’s songs. A. to listen B. listen C. listened D. listening
Công thức: Enjoys+$V^{ing}$ 

Chúc bạn học tốt, xin hay nhất ạ!