Paul isn’t as ______ as Sandy. He often makes mistakes in his homework.

How about having a picnic next weekend?—- It _____great.

I’d like to arrive 20 minutes early _____ I can havetime for a cup of tea.[ ]

Could you please come to the museum with me this afternoon?—Sorry，I ________．I have to take a piano lesson at 2 pm．

Please post this letter in the post office nearby, and __________, I will get two tickets in the train station.