He can’t state clearly how long he has ___________ the bicycle?
—I’m sorry,sir.I’ve made a lot of mistakes in the exam.—Never mind.________,the exam is a little difficult.
—Have you seen the film Coming Home directed by Zhang Yimou?—Not yet.I’m________seeing it.It’s said the film is great!
We all want to know________she will come to the party or not.
The coach guided us________the task.
She is so intelligent that she can________all the math problems.