(单选题)24: The World Trade Center was destroyed on September 11, 2001, when ______ took over two large airplanes and drove them into the buildings. A: terror B: terrorists C: terrorism D: terrorize ...

(单选题)25: The board of the company has decided to ________ its operations to include all aspects of the clothing business. A: multiply B: lengthen C: expand D: stretch ...

(单选题)14: She was so angry at all ________ he was doing _________ she stayed up all night. A: that; that B: that; which C: what; that D: what; as ...

(单选题)3: The doctor should be here soon. ______ the meantime, try to relax. A: At B: On C: In D: From ...

(单选题)24: He ran ______ twice from his boarding school because he couldn’t put up with being limited in an institution. A: in B: over C: away D: down ...

(单选题)12: Maggie ran back to the kitchen, eggs ____ carefully in her hands. A: were held B: to be held C: held D: holding ...

(单选题)6: The 12-year-old boy’s goal is to specialize ______ Western history in the future. A: on B: to C: in D: at ...

(单选题)25: She was so angry at all ________ he was doing _________ she stayed up all night. A: that; that B: that; which C: what; that D: what; as ...

(单选题)19: The river was so ______ with waste from the chemical plant that people can not swim in it. A: contained B: terminated C: intimidated D: contaminated ...

(单选题)20: She invented a _____ that automatically closes windows when it rains. A: advice B: derive C: supervise D: device ...