__________ valuable advice it is. It will be of __________ great value to me.

The Chinese government has made the Mid-Autumn Festival a legal holiday, people will have aday off[ ]

to the office earlier that day, _______ the 7:30train from Paddington

_____ these experiments were successfully completedwould we think of going into humans.

comes of skilled workers went up ______,unskilled workers saw their earnings fall