看看 选择!While watching television,__________.While watching television,__________.C.we heard the doorbell ring D.we heard the doorbell rings
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看看 选择!While watching television,__________.While watching television,__________.C.we heard the doorbell ring D.we heard the doorbell rings
看看 选择!While watching television,__________.
While watching television,__________.
C.we heard the doorbell ring D.we heard the doorbell rings
看看 选择!While watching television,__________.While watching television,__________.C.we heard the doorbell ring D.we heard the doorbell rings
C
英语中有些表示感觉的动词,如:see,notice,watch,hear 等可以用于下列结构中:“see/notice/watch/hear sb.do sth.”和“see/notice/watch/hear sb.doing sth.”,但两者意义上有 区别.“see sb.do sth.”意思是“看见某人做过什么”,它强调 动作完成了,而“see sb.doing sth.”意思是“看见某人正在做 什么”,它强调动作正在进行.例如:
B
ring 此解为不及物动词。
rings只能当名词,环形。
D.
doorbell 是单数所以ring加单三--〉S
hear sb. do sth.