Fill in the blank with the suitable preposition :
I saw Balu felling a big tree .............. an axe.
Fill in the blank with the suitable prepostion :
We travelled ........... Mr. Joshi's car.
Mr. Roy goes to the office ........... foot.
.......... being fined. he was sentenced to a term of imprisonment.
Fill in the blank with the suitable article :
Rajan is ............. union leader.
........... sun is hotter than the moon.