单选题 A father is a child’s ______ .

单选题 All this is due to the COVID-19 pandemic, ______ makes the whole country under the cloud.

单选题 Wang Meng greatly looks forward to the ______ of the Spring Festival.

单选题 She felt proud ______ her mother.

单选题 There are not a few people ______ are responsible in their work.

单选题 No one ______ returned from the front failed to express admiration for Bethune.

单选题 He arrived ______ Yan’an in the spring of last year.

单选题 She is a warrior ______ in white in the war against the virus.

单选题 She can’t go ______ but stay at home.