She is confident (a) / to win the gold medal (b) / this time (c) / No error (d)

All doubts are cleared (a) / between (b) / you and I (c) / No error (d)

Of the billions of stars in the galaxy, (a) / how much are (b) / suitable for life (c) / No error (d)

Americans are accustomed to (a) / drinking coffee (b) / with their meals (c) / No error (d)

I wonder (a) / why are you tinkering with the wire (b) / you might get a shock (c) / No error(d)

Once an old hermit (a) / saw a cat (b) / pounce upon a rat (c) / No error (d)

Two lakhs of people (a) / attended the meeting (b) / held in Parade grounds (c) / No error (d)