Question

1. Listen! I (think) someone (knock) at the door.

Answer 1

Answer:

1. Listen! I think someone is knocking at the door.

2. Up to the present,we still write almost every lesson in the book.                                                                                                                                                

3.The earth circulates the sun once every 365 days.                                                    4.The farmers are working in the field at the moment.