单选题 A tight______means we can't delay any longer.

单选题 The Chinese exchange students came to visit the foreigners' home and_them on their wonderful cooking.

单选题 We need to ensure that every _threat or barrier to the new way of communication is removed.

单选题 With the help of data analysis,Internet marketing comes with _force and changes the entire retailing industry.

单选题 The president has always _ his love for peace and hatred of war.

单选题 The teacher _ that every language is a little crazy.

单选题 Every person has the right to______an education, to meet their most basic needs, and to express themselves.

单选题 Tradition and culture have changed our way of _the world.