---What is the English for 12:30?---It's_______.
A. twenty and thirty
B. twelve past thirty
C. twelve and thirty
D. half past twelve
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_______ trees were planted every year.
A. Thousand
B. Thousand of
C. Thousands
D. Thousands of
In_______ Marx began to learn Russian.
A. 1870s
B. the 1870
C. the 1870s
D. his 70
_______ Greens are going to visit______ Mr. Brown.
A. /,/
B. The, the
C. /,the
D. The,/
Today we're going to learn____ lesson.
A. twenty
B. the twenty
C. the twentieth
D. twentieth