—Lisa, what do you think of the job of being a nurse?—In my opinion, it ____ be difficult sometimes though it seems easy.
Can earthquakes be predicted? The underlined part means "________".
— I wonder if I can learn English well. — _______. All things are difficult before they are easy.
— I missed the beginning of The Voice of China yesterday evening. —_________! But you can watch the re-play tonight.
What method can you think of _________ with these broken computers?
Scientists are trying their best to_______ ways to treat the terrible disease caused by Ebola(埃博拉).