[单项选择]I would have told him about the change of time for the class, （　） to class last time.
A. did he come
B. he came
C. had he come
D. he had come

[单项选择]I would have told him about the change of time for the class, （） to class last time.
A. did he come
B. he came
C. had he come
D. he had come

[填空题]Even if I had met him，I wouldn’’t have told him about our plan．

[单项选择]I would have told him the answer had it been possible, but I ______ so busy then.
A. had been
B. were
C. was
D. would be

[填空题]Early men did not have clocks. They were told time 76. ______
by the sun and shadows of trees. At first time, they used 77. ______
sticks placed in the ground instead trees. They made 78. ______
marks in the ground, and the shadows from the sticks told 79. ______
the time of day. Later, men began to use sundials. Some of 80. ______
sundials were boxes with sticks cast a shadow. Men were 81. ______
able to take the sundial box with them. The mark for noon 82. ______
was very important. The sundials always have to face the same 83. ______
way or the time was wrong. Sundials were good only on sunny 84. ______
days, not on cloud days. They were the first kind of clock. 85. ______