The market competition is fierce, but our products have great advantage ______ quality and price

The nutrients in _____falls into the ocean quickly become available to other living creatures.

pplication letter should be ________ by a stamped and addressed envelope, so that we can reply to you in time.

Don’t talk loudly, or you will ____ the baby.

The reason ____ their failure you know is _____ theydidn’t get fully prepared for the experiment.