定语从句精讲精练12 315.hand signs can be useful in places _________ are very noisy and in places _________ talking is not permitted. a. where; where b. where; that c. that; where d. that; that 答案 c 316.as i arrived in sydney, i wanted to see everything on my first day,______ i knew was impossible. a. that b. where c. when d. which 答案 d
