They built a highway _______ the mountains.
A、leadintoD
leadinginto的邏輯主語是highway，它們之間是主動的關(guān)系，所以用動名詞形式。句意：他們修建了一條通往山里的公路
Thetrafficwasheldupformorethanthirtyminutes,________causedmetoarrivelate.
名詞解釋：abilloflading
Importswillbeallowedinproportion_______exports.
Sofarscientistshaveonlyacquired________understandingofthephysicalprocessesthatcauseearthquakes.
名詞解釋：silentpartnership
