This is one of the most interesting film ___ we’ve ever seen.

The father took off his coat as an umbrella to _____ her daughter from the rain. [ ]

下列句子中，没有语病的一句是（ ）

Many factors influence a student in his/her study, ____ I think are out of a teacher’s control.

Mr Smith will not be able to attend his son’s wedding ceremony, because he ________ an important speech.