Question 23. The                            friendly products are designed not to harm the natural environment.

A. environment                B. environmental               C. environmentally           D. environmentalist

Question 24. "Excuse me. Where is the                   office of OXFAM located?"

A. leading                        B. head                              C. central                          D. summit

75 CÂU TỪ VỰNG TỪ ĐỀ THẦY PHẠM TRỌNG HIẾU -HOCMAI