mng giải giúp em với ạ, ghi giải thích luôn ạ, em cảm ơn nhiều 11) Van Phuc village in Ha Noi produces different............... of silk products such as cloth, scarves, ties, and dresses. A. symbols B. lines C. types D. sources 12) Going to Non Nuoc marble village in Da Nang, we are................. by a wide variety of marble sculptures from Buddha statues to bracelets. A. impressed B.divided C.separated D. changed 13) BatTrang is one of the most famous .................craft villages of Ha Noi. A. traditionally B. tradition C. traditions D. traditional 14) I wish I .................good at speaking English. A.am B.wasn’t C.were D. will be 15) Vietnam is a multicultural country with 54.................. groups. A. ethnic B.dominant C.major D. important 16) London includes a wide range of peoples, cultures, and ........................ A. regions B.population C.instructions D. religions 17) His mother .......................... a famous correspondent, but now she is retired. A.is B.used to be C. would be D. B & C are correct 18) School children in their uniforms can not.............on the pavement, walking or waiting for buses. A. see B. seen C.saw D. be seen 19) We ..................... no face-to-face classes for over five months. We are still learning online now. A.had B. used to have C. have had D. have 20) The last time I chatted with Lan was ...................... A. for two days B. two days C.in two days D. two days ago