(2020原创)Bruce ________ a top student, but he has fallen behind since he lost himself in computer games.
A.used to being B.used to be C.is used to be D.gets used to being
(2020原创)The math problem is too difficult. I really don't know ________ it.
A.when to solve B.why to solve C.how to solve D.what to solve
(2019 唐山路南区一模)Do not smoke in the ________ places. You should go to the smoking area.
A.public B.crowded C.special D.patient
(2019 邢台桥东区二模)Before taking action, you should make sure you know ________ what you really want.
A.mainly B.exactly C.carefully D.nearly
I live next to a supermarket. It's______for me to do some shopping.
A.crowded B.valuable C.convenient D.awful
You can see the _____ in our faces when we talk about the great achievements in the past 70 years.
A.doubt B.pride C.regret D.ability
