1. Susan can get good marks easily because she always studies hard. → Susan is

2. Those bags are very heavy. Susan cannot carry them.

→ Those bags are not

3. That house is very expensive. I cannot buy it.

→ That house is not _

4. We were extremely busy last summer. We could not take a holiday.

→ We didn't have

5. The milk is very hot. Mary cannot drink it quickly.

→ The milk is not

6. I can’t go to the gym nowadays because I’m very busy with my new website.

→ I don't have enough

7. Your bag was extremely heavy, so I couldn't pick it up.

→ Your bag was not