It’s true because your teacher says so
This one is tricky but im pretty sure its the first one
The sentence that is best as it is is option B: Only Dave will go with us; the others are busy. The rest of the sentences contain incorrect parts such as the proper use of the word "only". In the first sentence, it should be "only to watch". In the third sentence, it should be "only drinks water". In the third sentence, it should be "Only Leah studied".
The mood is troubled and amazed.
Troubled: When all the kids laughed at him
Amazed: When he started dribbling. His coach was amazed