----- Nội dung dịch tự động từ ảnh ----- Ex 1. Decide whether or not the relative pronoun can be omitted in the following sentences. 1) This was the hotel that we stayed in for two weeks. 2) She showed me the emeralds which she had brought back from South Africa. 3) A doctor is a person who looks after people's health. 4) My new motorbike, which I paid a few thousand euros for, is not running well. 5) Where is the letter that arrived this morning?
