2018--2019学年人教版选修八Unit 5 meeting your ancestors grammar课时作业(2)
2018--2019学年人教版选修八Unit 5 meeting your ancestors grammar课时作业(2)第1页

选修八Unit 5 Meeting your ancestors

Grammar & Writing

[知 识 梳 理]                      

观察感悟(源于教材)

Ⅰ.复习现在完成进行时

1.We ____________(excavate)here for many years and...

2.We ____________(excavate)layers of ash almost six metres thick,which suggests that they might have kept the fire burning all winter.

3.Well,we ____________(find)the bones of tigers and bears in the caves,and we think these were their most dangerous enemies.

4.Since the famine broke out,the number of people dying of starvation____________(increase).

5.How long ________ you ________ (drive),Mrs Smith?

答案 1.have been excavating 2.have been excavating 3.have been finding 4.has been increasing 5.have;been driving

Ⅱ.单句语法填空

1.-Excuse me,which movie are you waiting for?

-Dangal.We ________(wait)here for more than two hours.

2.-Where is Peter?I can't find him anywhere.

-He went to the library after breakfast and ________(write)his essay there ever since.

3.Marty________(work)really hard on his book and he thinks he'll have finished it by Friday.

4.He dropped out due to his illness.He ________(consider)coming back since last year.

5.They ________(discuss)the problem without interruption for about two hours.

答案 1.have been waiting 2.has been writing 3.has been working 4.has been considering 5.have been discussing

Ⅲ.完成句子

1.She ______________(工作了)here for three years till now.