—How was your recent visit to Qingdao? —It was great We visited some friends, and spent the days at the ________ seaside
Although the entrance to the cave was very narrow, those visitors managed to________through it.
I don't think Tom's remarks are________;he is not supposed to say so.
So suddenly ________that the animals in the zoo looked very frightened during the total solar eclipse (日全食).
—Have you finished your book report? —Not yet. I couldn't________on it with so loud music next door last night.
Once we have________some knowledge, things do not become more difficult, but comprehensible.