Im not really sure about these. But i just put what i think, correct if im wrong?

Question

(Stretching for 210 miles,) the Thames is in England.
a. Prepositional phrase
b. gerund phrase
c. participial phrase <---
d. appositive phrase

(Singing loudly in the shower) is what Jessica loves to do every morning.
a. gerund phrase
b. participial phrase
c. appositive phrase
d. prepositional phrase <---

(Sam and Dean were shocked to find they both enjoyed playing soccer.)
a. subordinate clause
b. noun clause <---
c. simple sentence
d. complex sentence

The janitor told Principal Johnson he put the cleaning materials (where he always left it.) a. independent clause
b. noun clause
c. adverbial clause <----
d. adjectival clause

Answer 1

2 and 3 are wrong. The other two are correct.

Answer 2

Ok let me know if i get them correct.
2. b
3. d

Answer 3

Both are still wrong.

Answer 4

Im not really good at these. sorry
2. c
3. a