Question

—It’s difficult to get to the other side of the river．
—I think a bridge ________ over the river．

A．should be built	B．should build
C．will build	D．has built

Answer 1

A

解析試題分析：句意為：---很難到達河的對岸。---我認為應該在河上建一座橋。根據語境，句中邏輯主語是動作的承受者，應用被動語態。故選A。
考點：考查被動語態。