How’s your tour around the North Lake? Is it beautiful?—It __________ be, but it is now heavily polluted.

Robin broke his left leg in the basketball match last week, since then he __________ in bed.

’t like Aunt Lucy, who _____without warning and bringing us presents.

_____ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately

Do you know that woman in blue— Of course She is kind and always ____beautiful smiles on her face