— Do you have to take care of your mother at home ? — Yes , I ____ .
---Wasn’t it Dr. Wang who spoke to you just now? ----_______.
The island is________attractive in spring and autumn because of the pleasant weather in both seasons.
The two nurses ________ 100,000 yuan by the police but donated it to victims of the explosion.
Principal White has been working in the school for about 20 years, ____all his energy to teaching and researching as well as the running of a healthy school.
The engineers are so busy that they have zero time for outdoor sports activities,___they have the interest.