时间状语从句和原因状语从句专项练习

时间状语从句和原因状语从句专项练习I. Choose the best answer.1. I learnt her hard-working and kind _ I got to know her in the bookstore. A. first time B. for the first time C. the first time D. by the first time 2. It was not _ he took off his dark glass I realize who he was.A. when; that B. until; when C. when; then D. until; that3. It was 19 years _ Mandela, the former president of South Africa, was set free from prison.A. before B. since C. until D. that 4. _ had the bell rung _ the students took their seats.A. Hardly; whenB. No sooner; when C. Hardly; than D. No sooner; then5. We walked along the beach for nearly three hours _ we saw a boat on the sea.A. when B. before C. unless D. until 6. The two brothers quarreled and quarreled _ they felt sleepy and went to bed.A. when B. before C. unless D. until 7. What was the party like?Wonderful. Its years _ I enjoyed myself so much. A. after B. before C. when D. since8. It was quite a long time _ I made it out what had happened. A. after B. before C. when D. since9. _, he went upstairs to sleep without supper. A. He was tired B. As he was tired C. Tired as was he D. As tired as he was10.We sent the injured to the First-aid Centre_ the accident happened. A. immediately B. hurriedly C. quickly D. shortlyII. Fill in the blanks with proper conjunctions.11.She looks unhappy recently _ her demand has been turned down by her boss.12._ times have changed, good revolutionary traditions cant be thrown away. 13._ all the world were against me, I should still hold to my opinion.14._ she got the pay, she put it away in the bank. 15.I was wandering through the street _ I caught sight of a tailors shop. 16.He was drinking juice _ the rest of us drank whisky.17._ you read the poem a second time, the meaning will become clearer to you.18.We walked along the seaside about two hours _ we came to a fishermans village.19.The sailor stayed on the lonely island _ a ship passed there and saved him.20.It was eight years_ the Chinese people drove off the Japanese aggressors.