Only then _________ how much damage had been caused.

Many accidents ______ by careless drivers last year. A: are caused B: were caused C: was caused D: caused

Please accept our apologies for any i_____________ we have caused.

Omissions in my recent article ____ confusion. A: can have caused B: can be caused C: must have caused D: must be caused

The fire was finally brought under control, but not ________ extensive damage had been caused.

The storm left, _______________ a lot of damage to this village. A: caused B: to cause C: having caused D: to have caused

The cultural barriers include__. A: There are barriers caused by word connotations. B: There are barriers caused by tone differences. C: There are barriers caused by differences among perceptions. D: There are barriers caused by gender.

Many accidents____ by careless drivers last year. A: are caused B: were caused C: have caused D: will cause

The damage()by the flood was so large that the buildings cannot be rebuilt in a short time. A: to be caused B. causing B: caused C: was caused

Shingles ______ by a virus which attacks the nerves. A: is causing B: is caused C: are caused D: are causing