THEY ARE NOT TO TAKE PART IN THIS PROGRAM OF THE W ORLD HEALTH ORGANIZ...

câu 21: - DAP AN VA LOI GIAI DE TOT NGHIEP 2009
DAP AN VA LOI GIAI DE TOT NGHIEP 2009
Câu 21: They are not to take part in this program of the W orld Health Organization. A. so old B. old enough C. enough old D. as oldGiải thích: Cấu trúc S + to be (not) + Adj + enough + to do st : Đủ (không đủ)…để làm gì.