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mtfirstmonth.

`Answer`

`81`. Most of my English colleagues have a preference for tea rather than coffee

`-` perfer A to B `=` have a preference for A rather than B

`82`. The more qualifications you amass,the more successful you will be in the academic field

`-` the more ... there more

`83`. There has been a fall in the number of students applying for music lessons this year

`-` there has been a fall in the number of… : số lượng về cái gì đó đã giảm

`84`. I have been rather preoccupied with work lately

`-` preoccupied with : bận tâm,chỉ nghĩ về

`85`. Were it not for his partial deafness,he wouldn’t find it difficult to communicate on the phone

`-` Were it not for `+` `N` `=` Nếu không phải vì...