1. 这款自行车看起来不错。
    This kind of bike ______ ______.
2. 没有人知道他在干什么。
    ______ ______ what he is doing.
3. 他长得像他妈妈，但爱好不像他妈妈。
    He ______ ______ his mother, but ______ ______ isn't like his mother's.
4. 放学后记得去读这些生单词。
    ______ ______ ______ these new words after school.
5. 他再也不用乘公共汽车去上班了。
    He needn't take a bus to work ______ ______.