Excuse me, can I park my car here- Yes, you can park on ＿＿＿＿＿＿ side of the street.

There are sixty minutes in ____hour.

Playing computer games_______ a lot of_______.

One way to ________ species under threat of extinction—whatever the cause—is to remove them to zoos or parks and feed them there.

.________ gas leaks and similar accidents should occur, some responsible persons should regularly inspect all the laboratories