He is only too ready to help others, seldom, ______, refusing them when they turn to him.

As is proved, real effective exchange rate appreciation will help improve our country’s industrial structure in the long run, though it ______ some short-term pressure on employment.

has hit the city this month — It’s high time we _______ measures tofight air pollution

Fully_________in looking after three children athome ,she no longer has time to enjoy the various activities in the club.[ ]

Charlie Chaplin was loved by all who watched the film for his determination _____overcoming difficulties