I can think of many cases students obviously know a lot of English words and expressions but couldn’t write a good essay.
--- I spent two weeks in London last summer. --- Then you must have visited the British Museum during your stay,you?
We'll reach the sales targets in a monthwe set at the beginning of the year.
James has just arrived, but I didn’t know he _______ until yesterday.
She drove so fast at the turn that the car almost went _______ the road.
I can’t tell you _______ way to the Wilsons’ because we don’t have _______ Wilson here in the village.