raining hard for 3 hours without stopping.
| A．It is | B．It was | C．It has been | D．It had been |
I will always remember _____ to the star’s concert and what I experienced there.
| A．taking | B．being taken | C．to take | D．to be taken |
As PM2.5 readings reached as high as 900 in some cities, people are more _____ to get lung cancer in such conditions.
| A．probable | B．perhaps | C．possible | D．likely |
He was such __ good speaker that he held our attention every minute of __ three-hour lecture.
| A．/; the | B．a; / | C．a; the | D．a; a |
How much more expensive do you think a flat in a downtown area is than ______ in a suburban area?
| A．one | B．the one | C．that | D．those |
–Mary looks down today, what’s up?
--Well, ________happened between Mary and me is none of your business.
| A．whichever | B．no matter which | C．whatever | D．no matter what |