. In our class, when the bell rang and the teacher closed his book, it was a ______for everyone to stand up.
#6715
A
mark
B
chance
C
signal
D
measure
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I can remember very few ____ when he had to cancel his plans because of poor health.
#6603
A
situations
B
conditions
C
occasions
D
circumstances
___ is an engineer.
#7345
A
Li Pin’s and Li Hua’s father
B
Li Pin and Li Hua’s father
C
Li Pin’s and Li Hua father
D
Li pin and Li Hua father