It appears that your relationship with Mike is not normal, doesn’t it?—– I thought of him as a trustworthy friend _____, to my shock, he gave me away to the boss

Every year, _____ people go to visit their factory

Water-skiing and surfing are myfavourite How about you —-I ______surfing to water-skiing

________ more energy to my study instebe sitting in a comfortable officenow.

What color is the pen——___________.