用适当的连接词填空,如果一题有两空,用逗号隔开,如 a,b 1. It worried her a bit _____ her hair was turning gray. 2.I have no idea _____ we can do with these waste materials. 3.____the doctor really doubts is____my mother will recover from the serious disease soon. 4.It is hoped____nature will never be destroyed. 5.____do you guess will give a talk on English tomorrow? 6.-- I drove to Zhuhai for the air show last week. -- Is that ____ you had a few days off? 7. Word came____I was wanted at the office. 8.Do you know ____of them will be our new headmaster? 9.The teacher didn’t tell me ____we were wrong. 10. It’s generally considered unwise to give a child ____he or she wants.