I'LL COME AND SEE YOU _____ I GO TO THE COUNTRYSIDE.A. WHILE...

57. - BO DE THI TRAC NGHIEM NGU PHAP TA ON THI 10
BO DE THI TRAC NGHIEM NGU PHAP TA ON THI 10
57. I'll come and see you _____ I go to the countryside.A. while B. when . C. as soon as D. before