WHAT ____ YOU ____, NAM

4) - BO DE THI TRAC NGHIEM NGU PHAP TA ON THI 10
BO DE THI TRAC NGHIEM NGU PHAP TA ON THI 10
4) What ____ you ____, Nam? – I’m thinking of my mother.A. do/think B. are/thinking C. have/thought D. were/thinking