When asked why he prefers bikes to buses, the professor said,  “Riding a bicycle takes __________ half an hour, but it’s more convenient and environmentally friendly. ”

Her mother posted her some books and a lot of money____________ .

For passengers traveling into the city, taxis and car services charge ________ 50 dollars.

He looked ________ at the news that his favorite team had lost the game and felt ________ that Martin should have taken part in it.

He kept thinking of the question whether it was ____ for his father to change the habit of a life time in such a short time.