1 . His public image as a generous and kind business executive ______ a history of violent crime against animals.

A．suffered

B．ensured

C．exploded

D．masked

2 . We ______ our customers that our ______ line combines exquisite design and superior ______ to deliver unparalleled style and comfort.

A．ensure, clothes, handicraft	B．assure, clothe, craftsmen
C．ensure, cloth, handcrafted	D．assure, clothing, craftsmanship

3 . The company is always looking to ________ users to replace their PCs when faster processors hit the market.

A．ensure

B．contain

C．delay

D．tempt

4 . His government is expected, though, to________ a caretaker role until a new prime minister is selected.

A．assume

B．oblige

C．ensure

D．spare

5 . In the curling (冰壶) final, Britain tied 4-4 in the 10th end to force an extra end, ________ Sweden scored one single point to ________ their victory.

A．which; ensure

B．while; greet

C．when; secure

D．where; seal