Ⅰ. 单句语法填空
1. Jerry has promised to keep the secret, so he won’t tell anyone even though (ask) to.
2. The flowers he bought will die unless (water) every day.
3. Tom wanted to play football with his friends in the street, but his father told him not .
4. The teacher has us (write) a composition every week.
5. Do be careful when (cross) the street.
