How strange! These years my birthday always falls _____.
A. on the Sunday
B. on a Sunday
C. on Sunday
D. at a Sunday
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This is _____ best kind of _____ pen you can get here.
A. the, the
B. the, a
C. the, 不填
D. a, the
As is known to us all, _____ tiger is in _____ danger of becoming extinct.
A. the, a
B. the, 不填
C. a, 不填
D. 不填, the
Listen! Some of the girls ______ about Harry Potter. Let' s join them.
A. are talking
B. talk
C. will talk
D. talked
Our teacher, Miss Chen,______ English on the radio the day bore yesterday.
A. teaches
B. taught
C. will teach
D. had taught