2019-2020学年北师大版高一必修3英语精品教案:Unit9 lesson3 Clean machines
2019-2020学年北师大版高一必修3英语精品教案:Unit9 lesson3 Clean machines第2页

* Check students' answers before they match the sentences with the pictures.

* When checking answers, ask students if the action described by the verb is still going on and incomplete or if it is finished and complete

Task2. exercise7

* Students work in pairs, reading the situation and discussing which is the more appropriate sentence.

* Check students' answer by having the pairs read out the situation and sentence.