Giá trị l i m 1 2 n + 2019  bằng

A. 0

B.  1 2

C. 1 2019

D. + ∞

Mark the letter A, B, C or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.

The shop assistant has to break off the conversation to serve a customer.

A. interrupt          

B. hurry      

C. continue           

D. begin