IT TAKES A LONG TIME ………A FOREIGN LANGUAGE. A. LEARN B. TO LEARN...

4. - DE KIEM TRA TIENG ANH TRINH DO B CO DAP AN TIENG ANH TRINH DO A B
DE KIEM TRA TIENG ANH TRINH DO B CO DAP AN TIENG ANH TRINH DO A B
4. It takes a long time ………a foreign language. A. learn B. to learn C. learning D. learns