There is a big tree in ________ front of our classroom and a big blackboard_in ________front of it.

She _____________ a new novel she haswritten recently in the talk show.

Shelly is good at English,so she is never_____speaking to foreigners.

The Great Pyramid is said to ________by aliens. Is there a chance that this might be true?[ ]

The digging will seem easier if you divide up the garden by marking ________ small sections with your spade (铲子)[ ]