题目：
根据汉语意思完成下列各句，每空只填一词。
1. 我们该去吃晚饭了。
It's time ________ us _________ have supper.
2. 这座楼房和那座楼房一样大。
This building is as________ ________ that one.
3. 如果你不早起，上学就会迟到。
_________ you don't get up early, you'll _______ late for school.
4. 王力跑得如此快，以至于我赶不上他。
Wang Li ran ______ fast _______ I couldn't catch up with him.
5. 昨天他直到做完作业才去睡觉。
He did _________ go to bed _________ he finished his homework yesterday.
答案：
1. for, to 2. big, as 3. If, be 4. so, that 5. not, until
