问题
选择题
While watching television, _______.
A．the doorbell rang
B．the doorbell rings
C．we heard the doorbell ring
D．we heard the doorbell rings
答案
C
考查非谓语动词与句子主语一致。
搜题请搜索小程序“爱下问搜题”
While watching television, _______.
A．the doorbell rang
B．the doorbell rings
C．we heard the doorbell ring
D．we heard the doorbell rings
C
考查非谓语动词与句子主语一致。