I will buy all of the publications by Oxford University Press if I could afford them.

A. My sister is fluent at English and Spanish. 

B. My sister is not perfect in English and Spanish.

C. My sister is bilingual in English and Spanish.

D. My sister is bilingual at English and Spanish.

A. If her English is good, she will feel confident at interviews. 

B. If her English was good, she would feel confident at interviews.

C. If her English was good, she will feel confident at interviews.

D. If her English is good, she would feel confident at interviews.

A. You don’t have to bring skis as they are included in the package.

B. You must bring skis as they are not included in the package.

C. You need to bring skis as they are not included in the package.

D. You have to bring skis as they are included in the package.

B. A little bit cheaper, please.

D. Well done, please.

A. a - the

B. a - Ø

C. the - Ø

D. the - the

A. he

B. that

C. who

D. whom

A. a hard-working season

B. staying at

C. seaside resort

D. enjoy seafood