桌上有一支钢笔和一些书。(be)
王奶奶住院时，我妈妈经常照看她。（take）
新冠肺炎疫情期间，劝告大家要尽可能少聚集。（as）
Chinese people show more interest in space recently.
the night is, the daylight will come in the end.
many invisible bridges like Big Data connecting Guizhou and the world.
great changes in Fushun in 10 years.
a graduation ceremony in our school after the exam.