mistake in each sentence, try to find the mistake

1.It took Drphong 10 minutes to fill Van's took.

2.My borther is going to the hospital.

I.complete the sentences with suitable forms of the adverbs given in the brackets:

1.I am faster worker than tom is .(fast)

I work________

2.mai's singing is more beautiful than Mi's.(beautifully)

Mai sings________

3.We were earlier at the party than the Smiths last night.(early)

We arrived______

4.phong's voice is louder than Buck's.(loudly).

Phong speaks_________

5.my English is more fluent than my siter's.(fluently)

I speak English________