1 . I’m sorry to ________ (占用)your precious time, but I really want to talk with you about the pet problems. (根据汉语提示单词拼写)
您最近一年使用:0次
2 . The boy is old enough. He can take care of himself. (使用不定式将两个句子合成一句)
您最近一年使用:0次