The main reason why Apple’s products always manage to capture the imagination of people worldwide is their attention to _____. Each and every part of an Apple product is perfect in its body. 

He often asks his neighbour to look after his pet during his _______.

There are still many problems ahead of us, but by this time next year we can see light at the end of the ________.

The little boy is clever.He has _____.

—How can I use this washing machine?—Well, just refer to the _______.