根据句子意思，用括号中所给汉语提示或英语单词的适当形式填空。在答题卡标有题号的横线上，写出空缺处所填单词的正确形式。
⑴The only (麻烦) is that I get tired easily.
⑵Mum asks me to go  (直接) home after school.
⑶Don't hit it so   (费力地), because it is broken.
⑷He shouted out and (吓着) me.
⑸Black  (烟) is coming from the window.
⑹I often see the girl  (dance) by the river.
⑺That unlucky man (fall) into a river when taking a walk last night.
⑻Tom's father is teaching him how  (fix) his bike.
⑼ He has the  (able) to come first in the exam.
⑽It's  (care) of me to leave the mobile phone on the bus.