Sit down, please. You ______ be tired after standing for so long.
could
can
must
might
Their school days are busy and the children don’t get home _________ 7 pm.
Let’s ________ for a walk, shall we?
—A ruler is 2 dollars and a pen is 3 dollars. How much are they? —They are ________.
—______ is your father? —A bank clerk. He works in a bank near my home.
—How far is it from the railway station to the hotel? —It’s about _______ walk.