精品一区二区免费在线观看_国产精品久久久久久av福利软件_97成人精品区在线播放_国内成人精品一区

When the teacher came in, the students stopped _______ and became very ________.

A. to talk, quiet?????? ????????????? B. talking, quiet????????????? C. to talk, quietly????????????? D. talking, quietly

When the teacher came in, the students______ at once.

A．stopped to talk                         B．stopped talking

C．stoped talking                          D．stoped to talk

When the teacher came in, all the students stopped__.

A . talking       B. to talk       C. talk          D. talks

When the teacher came in, the students stopped ________.

A. to talk

B. talking

C. talked

D. talk

When the teacher came in, the students ________.

[　　]

A．stopped to talk

B．stopped to talking

C．stopped

D．stopped talking

When the teacher came in, the students ________.

[　　]

A．stopped to talk

B．stopped to talking

C．stopped

D．stopped talking

When the teacher came in, the students stopped ________ with each other.

[　　]

The students stopped ________ when the teacher came in.

[　　]