_____you take an active part in physical activity _____be able to keep fit and stay healthy.

I believe you must come first in the exam. You always do __________ in our class.

It’s said that ______ of the water around the world ______ polluted.

said that the work would be well doneby the end of October, ________ personally I wondered completely.

Many questions ________ at the meeting, but he answered none. [ ]