The Olympic Games, _______ in 776 B.C., did not include women players until 1912. A. first playing B. to be first played C. first played D. to be first playing
-----Would you like to go to see the wedding ceremony?----No, I wouldn’t, for the tickets are ______ be expensive.
Students in____uniform are doing eye exercises.
---Have you thought of the topic for the composition?---Not yet, I____it very carefully, but I haven’t decided.
----How about six o’clock outside the park?---That____me fine.
All our officers are trained to____themselves against knife attacks.