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19、Checking the list of hotels _________ very important when you make plans for the holiday.

A．is      B．a(chǎn)re    C．has been   D．have been

18、As soon as the band started playing, the crowd ________ silent.          

A．changed    B．went  C．turned      D．listened

17、If everything goes according to plan, the first stage _________ by December.

A．would complete                                          B．will complete

C．would be completed                       D．will be completed

16、－Hurry up! You will be late!

－I hope they haven’t gone without __________.

A．I      B．me    C．myself      D．mine

15、The vase had been put on top of the cupboard _________ it wouldn’t get broken.

A．in case of     B．a(chǎn)s if      C．so    D．when

14、The treatment will continue until the patient reaches the point _________ he can walk correctly and safely.

A．which       B．where       C．when    D．that

13、Many teachers believe that students ___________ to experiment with new ideas.

A．should encourage                                        B．should be encouraged

C．might encourage                             D．might have encouraged

12、___________ a plane flew by, but mostly the sky remained clear.

A．In time                                                      B．On time              

C．From time to time                           D．At the same time

11、－Have you called 119?

－As soon as I saw the smoke, I called the firemen, but they _________ yet.

A．didn’t arrive     B．hadn’t arrived   C．haven’t arrived D．wouldn’t arrive