4. 宣布(Announcing)
(20) Let's start working. / Let's begin / start a new lesson.
/ Let's begin / start our lesson.
(21) First, let's review / do some review.
(22) What did we learn in the last lesson?
(23) Who can tell / remember what we did in the last lesson / yesterday?
(24) Now we're going to do something new / different.
/ Now let's learn something new.
(25) We have some now words / sentences.
5. 提起注意 (Directing attention)
(26) Ready? / Are you ready?
(27) Did you get there? / Do you understand?
(28) Is that clear?
(29) Any volunteers?
(30) Do you know what to do?
(31) Be quiet, please. / Quiet, please.
(32) Listen, please.
(33) Listen carefully, please.
(34) Listen to the tape recorder / the recording.
(35) Look carefully, please.
(36) Look over here.
(37) Watch carefully.
(38) Are your watching?
(39) Please look at the blackboard / picture / map. . .
(40) Pay attention to your spelling / pronunciation…

4. 宣布(Announcing)
(20) Let's start working. / Let's begin / start a new lesson.
/ Let's begin / start our lesson.
(21) First, let's review / do some review.
(22) What did we learn in the last lesson?
(23) Who can tell / remember what we did in the last lesson / yesterday?
(24) Now we're going to do something new / different.
/ Now let's learn something new.
(25) We have some now words / sentences.
5. 提起注意 (Directing attention)
(26) Ready? / Are you ready?
(27) Did you get there? / Do you understand?
(28) Is that clear?
(29) Any volunteers?
(30) Do you know what to do?
(31) Be quiet, please. / Quiet, please.
(32) Listen, please.
(33) Listen carefully, please.
(34) Listen to the tape recorder / the recording.
(35) Look carefully, please.
(36) Look over here.
(37) Watch carefully.
(38) Are your watching?
(39) Please look at the blackboard / picture / map. . .
(40) Pay attention to your spelling / pronunciation…