Giúp em với::::::::::::::::::: I)1 a. who b. which c. where d.when 2. a. trip b.river c. life d. city II) 1) She must .......dinner herself. a.cook b. cooks c. cooking d.to cook 2) He .....in Long Xuyen city since last week. a. lives b. is living c. lived d . has lived 3) My birthday is ...... April 15 th a. in b. on c. at d. for 4) You are very selfish. You only think of.............. a. themselves b. itself c. myself d. yourself 5) Vietnamese language is different ..........English language a.as b. like c. from d. with 6) The doctor ...............that I should keep my body warm a. asked b. said c. tells d. advises