19、根据下面提供的对话情景，从下列7个选项中选择正确答案，使对话连贯、完整。其中有两项是多余的。

A：Today we are going to talk about a great invention．It looks like a human being．  1 

B：It’s a robot．  2 

A：Of course not．The first robot was invented in 1921．

B：  3 

A：Sure．They can take the place of humans to do some boring work．They can also do a lot of dangerous work instead of humans．

B：  4 

A：No．Robots can do a lot of work instead of people in many ways，but people wouldn’t be replaced by robots．  5 

B：We get it．

18、--Life_______ pets_______ always full of fun．

--That’s right．

A．with；are            B．with；is               C．and；have              D．and；has

17、--Excuse me，please look at the sign_______．

--Sorry，I didn’t see it．I'm putting out the cigarette．

A                         B                          C                          D

16、--_______ do you think is the best restaurant?

--The one on Bridge Street．

A．Who                    B．Where                 C．What                     D．How

15、--Did you listen to the weather report on the radio this morning?

--_______

A．Yes，it’s going to be cloudy for the next few days

B．Yes，I'm glad to hear that

C．No，it won’t

D．No，it wasn’t sunny

14、Avatar（《阿凡达》）is an interesting film．My brother_______ it twice already．

A．sees             B．saw              C．has seen                 D．will see

13、The young man ______ is a friend of mine．

A．who I had a talk                          B．whom I had a talk with

C．whom I had a talk                        D．which I had a talk with

12、There is no difference between the two sweaters，so I really don't know_______

A．which choose one                        B．which to choose one

C．to choose which one                     D．which one to choose

11、Is _______ easy to _______ who picks the fruit and vegetables on your net farm?   

A．that; find        B．it; finding        C．that; find out            D．it; find out