All of the students went to school today _______// her.

Mum, I’ve been studying English since 8 o’clock. ____ I go out and play with Tom for a while? — No, I’m afraid not. Besides, it’s raining outside now. [ ]

Few students can understand the sentence until it _____ twice or three times.

He reminded me of what I should ______ have forgotten

You can find ___ difficult to learn English.