11 many → much
→ information ko đếm đc nên đi với much
12 fluentily → more fluentily
→ cấu trúc the more ... the more : the more +S + V ( adj ) + the more + S + V ( adj )
13 to work → working
→ stopped + V-ing
14 thefore → however
→ thefore : vì thế
→ howerever : tuy nhiên