3. What's the language ____ in Germany?
A. speaking
B. spoken
C. be spoken
D. to speak
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4. Most of the people ____ to the party were famous scientists.
A. invited
B. to invite
C. being invited
D. inviting
5. The first textbooks ____ for teaching English as a foreign language came out in the 16th century.
A. having written
B. to be written
C. being written
D. written
6. The news sounds ____.
A. encouraging
B. encouraged
C. encourage
D. to encourage
7. —How did Bob do in the exams this time?—Well, his father seems ____ with his results.
A. pleasing
B. please
C. pleased
D. to please