A. SO B. BUT C. AND D. TOOCÂU 50

17. - TRAC NGHIEM VAO LOP 10 17. - TRAC NGHIEM VAO LOP 10
TRAC NGHIEM VAO LOP 10
17. The boss sometimes lets her typists knock off at four o’clock.a. hand in their workb. stop for a tea breakc. finish workd. meet to make suggestions or complains about their work.V. Choose the best answer to complete each of the following sentences: