How can I get there?—Take the elevator __ the fourth floor. [ ]

She volunteers her time _____ help Xiao Lin with his English. [ ]

Simon’s colourful T-shirt __________ cool.

She doesn’t do her job though she has .

Whenever and wherever we are, keep in mind that we should listen more to others. It’s wrong to express ourselves without thinking. Just as we all know, __________.