71. The speaker raised his voice, so we could ______(听见) him.        小题1:__________

72. The man standing over there is _______(我们的) chemistry teacher.   小题2: __________

73. Without glasses, he couldn’t see the words on the blackboard ________(清楚地).

小题3: ___________

74. He failed his job interview again, and he felt really________( with no hope) about the future.                 小题4:___________

75. There are so many students playing basketball in the ________(a place for students to play on).                 小题5:__________ 

拉坯投泥时要注意（）

A、用力

B、要稳

C、规中

D、要轻