A.WhenB.WhileC.SinceD.During
A. When
B. While
C. Since
During
查看答案
A.weakB.strongC.hugeD.big
A. weak
B. strong
C. huge
D. big
A.likeB.suchC.exampleD.as
A. like
B. such
C. example
D. as
One of the good aspects of online distance learning is_____.
A. speed
B. convenience
C. easy operation
D. variety of instruction
A.coupleB.motherC.moneyD.cough
A. couple
B. mother
C. money
D. cough