25、I have gone the concert because I know nothing about that kind of music.
A．couldn’t B．mustn’t C．shouldn’t D．oughtn’t
24、To prevent cyber crime more efficiently, it is important to make new laws and create international standards for them similar to concerning international airspace.
A．that B．what C．one D．those
23、The disease, , could spread very fast.
A．unless well controlling B．if not well controlled
C．when not to control D．although not being well controlled
22、—Is your school bigger than ours?
—Yes. I guess it is your school.
A．as twice the size of B．as two thirds big as
C．bigger than half D．one third bigger than
21、—It’s so nice to enjoy the sunshine here on the green grass.
—You us a right place.
A．had introduced B．are introducing C．have introduced D．introduce
20、If you sleep short of 7 hours, you are three times ______to catch a cold.
A．possible B．certainly C．probable D．likely
19、They finally reached they had long dreamed of.
A．where B．the place C．that D．there where
18、—Can we fix a time for the party?
—We can’t have the party none of us have any classes.
A．except B．except for C．except when D．except that
17、Distinguished guests and friends, welcome to our school! the ceremony of the 50th anniversary this morning are our alumni (校友) from home and abroad.
A．Attend B．To attend C．Attending D．Having attended
16、The captain gave an order in the difficult situation the sailors throw away everything that was on board the ship.
A．what B．which C．as D．that