When is the school trip? —_________ March 3rd.[ ]

A medicine may help with your illness, but it may make you , so you must be careful not to drive a car after taking such a medicine.

Mary likes to have friends who are different _____ her.[ ]

. From this simple concept ________ that has caused a great change in farming.

How about the pollution in the countryside?—Luckily, it’s not as serious as _______ in the big cities.