It took us much time ________ the mountain.

Always read the ______ on the bottle carefully and take the right amount of medicine.

_____ the city’s public school system should be opento the children of migrant workers has become the focus of discussion

It’s 8 o’clock. Tony’s parents TV in the living room.

That________my first visit to Hong Kong，I didn’t know where I should go first.There were so many things to enjoy.[ ]