Some ________ (调查) on students' daily habits will be done this Friday.
We don' t think it is ________ (必须的，必要的) to give students too much homework. They need more time for hobbies.
American schools have many courses, ________ (相似的) to those in Canadian schools.
Many foreigners enjoy Chinese fashion, ________ (尤其) the Tang costume.
Luckily, Daniel was chosen to be the ________ (秘书) of the Students' Union.
The teens took a photo of smiling faces to welcome World Smile Day in ________. (五月)
