2. Beyond ______ stars the astronaut saw nothing but ______ space. A. the, 不填 B. 不填，the C. 不填，不填 D. the, the 3. Alexander Graham Bell invented ________ telephone in 1876. A. 不填 B. a C. the D. one 4. After watching ____ TV, she played _____ violin for an hour. A. 不填，不...

时间:2024-12-07 13:30栏目:行业资料