1 . According to the official press release, after ________ for 10 to 12 minutes, the glasses enable the mind to resynchronise with the movement perceived by the inner ears while the eyes were focused on an immobile object such as a smartphone or a book, and the wearer can just take them off and enjoy the rest of the journey.

A．worn

B．being worn

C．wearing

D．having worn

2 . Our monitor suggested         a discussion of the subject.

A．to have

B．should have

C．have

D．having

3 . The study shows people ______ popular low-carbohydrate diets risk ______ out on fiber.

A．adopting, to miss	B．to adopt, missing
C．adopting, missing	D．to adopt; to miss

4 . What difficulty ________ the program of economic reform?

A．do you think the new mayor has to initiate

B．you think does the new mayor have to initiate

C．does the critic think the new mayor have initiating

D．does the critic think the new mayor has initiating

5 . Barely ________settled down in Beijing when he was tasked ________over the company in Shanghai, whose CEO was diagnosed with cancer two weeks ago.

A．he had ; to take	B．had he ; with taking
C．had he; to take	D．he had; with taking

6 . The book is not worth much money. But it is well worth________.

A．to buy

B．being bought

C．to be bought

D．buying