Choose the best answer:
 __________ we plant more trees, the air won’t be so polluted

Choose the best answer:
My sister is writing a letter to apply for the ____ of an English teacher at the center

Choose the best answer:
Nobody called, ________

Choose the best answer:
He ______that he was leaving that afternoon

Five plus three equals……….

Choose the best answer:
Two students are discussing about cities in the future: 
      Student A: "How do you think cities will change in the future?" – Student B: “____”

Choose the best answer:
He looked frightened as if he______a ghost

Choose the best answer:
I've been putting $50 aside every month in an attempt to build _________ my savings

Choose the best answer:
She fell ....... modelling quite by accident.

Choose the best answer:
 Your eligibility for the fellowship depends on the kind of research you do and the awards you -------.

Choose the best answer:
When we went to Boston, we only had a couple of hours to look ____________

Choose the letter A, B, C or D to complete the sentence: We like watching football matches at the ___________

Choose the best answer:
Lifelong learning can enhance our understanding of the world around us, provide us ____ more and better opportunities and improve our quality of life.

Choose the best answer:
He dropped ________________ the race after two laps

Choose the best answer:
Even though the start was delayed by the inclement weather, the project was completed as ------- scheduled

Choose the best answer:
You'd better pass _________ his rude remarks in silence

Choose the best answer:
Nowadays robots can ____________ the house

Choose the best answer:
The spy was told to _______ the code to memory, then destroy the document

Choose the best answer:
After Lily fainted, we used smelling salts to get her to come _____________

Choose the best answer:
When his first child was born, John took to fatherhood like a _______ to water

Choose the best answer:
 Rebecca____ on our conversation to tell us that James had just been rushed into hospital