Experts say ________ to sunlight for too much time will do harm to one’s skin.
---How is everything going on with you in Italy? ---Quite well. Not so smoothly as I hoped, _________.
It wasn’t until nearly a month later ________ I received the manager’s reply
She asked me ________ the film the day before.
He insisted that the earth ________ around the sun.
Can you tell me ________ get to the chemistry lab ?