Kim Hy
1. I couldn’t repair my bike, _____________ I didn’t have the right tools. A. so B. for C. because of D. therefore 2. I was tired ,_____________ I walked all the way home. A. so B. or C. but D. and 3. The post office was closed, _____________ I couldn’t mail my letter. A. so B. but C. and D. for 4. I couldn’t use the pay phone, _____________ I didn’t have any coins with me. A. and B. for C. but D. so 5. I have to eat breakfast in the morning; _____________, I get hungry before my lunch break. A. therefore B. for C. otherwise D. however 6. Tom used to get over his problems easily; _____________, he can’t get over this serious one. A. However B. therefore C. otherwise D. for 7. I wore a large hat at the beach ,_____________ my nose got sunburnt. A. and B.so C. or D. but 8. He should improve his skills; _____________, he can’t do his job well. A. but B. therefore C. otherwise D. however 9. There was no electricity, _____________ I was able to read because I had a candle. A. and B. but C. or D. for 10. Some snakes are poisonous ,_____________ others are harmless. A. but B. and C. or D. so