Problem: How does the sentence end?

I grabbed a pile of clothes from the basket that contained a T-shirt and a Sweater, since it was hot outside I put on the 
OPTIONS:
- Sweater to wear.
- T-Shirt to wear.
Answer: T-Shirt to wear.

Problem: How does the sentence end?

The dictator gained power of the other country by using tanks rather than the planes because the 
OPTIONS:
- tanks were advanced.
- planes were advanced.
Answer: tanks were advanced.

Problem: How does the sentence end?

The tree had to be planted directly in the lustrous forest because the 
OPTIONS:
- tree was touchy.
- forest was touchy.
Answer: tree was touchy.

Problem: How does the sentence end?

Victoria spent long hours at the library doing research and studying, while Erin goofed off and went out drinking. 
OPTIONS:
- Victoria earned better grades on the final test.
- Erin earned better grades on the final test.
Answer:
Victoria earned better grades on the final test.