"Will you be able to finish the job this week?"    " ___ ."

She was just about to explain ___ she hadn't passed her maths test chiefly out of carelessness ___ her uncle came.

This robot is supposed to save a lot of labor, but it remains a problem if it ______.

Everyone hopes that we can do something to make things better, so we can't help ______ under the stress.

 In recent years much more emphasis has been put______ developing the students productive skills.

It’s hard to rescue drowning people because they ________ so much. 

 I was giving a talk to a large group of people, the same talk I _______ to half a dozen other groups. 

We should ________ ourselves assiduously and faithfully to the duties of our profession.

—Do you need any help, Lucy?—Yes, The job is ________ I could do myself. 

—How do you think of our new English teacher? — _____her clothes, she must be very strict.

The funny story _____a loud laugh in the classroom.

 ---I advise going to the beach this weekend. ---That’s a wonderful idea! Please stay home then. I’ll _____you at 8:00 this Saturday morning. 

When the woman came back home, she had no idea how it ____ that her husband met with trouble again. 

The secretary has _____to the related guests all the invitations to our company’s celebration. 

On the long journey, Peter ________ a most interesting guide. We all had a wonderful time.

I lost my way in complete darkness and,______ matters worse, it began to rain.

I don't skate now, but I___________ when I was a kid.

We must keep our room clean. Dirt and disease go        , you know.

What a pity! He____________ the only chance of success.

For quite____________ students, their teacher’s advice is more important than___________ of their parents’.