Turn the radio ______, please! The baby has just fallen asleep.
-Can I join Oxfam Trailwalker?-Only if you are ________ eighteen.
-Must we leave now?-No, we ________. We still have two more hours.
-What’s your plan for this weekend?-I’m going to ________ it with my grandparents.
-Do you know _______ World Water Day is?-On March 22nd.
Mr Wang has worked as _______ English teacher for more than 10 years.