It is absolutely essential that William ______ his study in spite of some learning difficulties.

It is futile to discuss the matter further, because ______ going to agree upon anything today.

______ I like economics, I like sociology much better.

Time ______, the celebration will be held as scheduled.

The opening ceremony is a great occasion. It is essential ______ for that.

Your ideas, ______, seem unusual to me.

—Does Alan like hamburgers?
—Yes. So much ______ that he eats them almost every day.

Who ______ was coming to see me in my office this afternoon?

Above the trees are the hills, ______ magnificence名词 the river faithfully reflects on the surface.

Jack ______ from home for two days now, and I am beginning to worry about his safety.

Agriculture is the country＇s chief source of wealth, wheat小麦 ______ by far the biggest cereal crop.