The three of us ________ around Europe for about a month last summer

Can you tell me how to play this computer game —______. Let me have a look.

StephenHawking believes that the earth is unlikely to be the only planet _lifehas developed gradually.

Where ＿＿＿＿＿? —— I got stuck in the heavy traffic.I ＿＿＿＿＿ here earlier

So much progress _____ in the past few months that she now has nodifficulty in making herself understood in English.