It is _______ he often fails inexam_______ makes his parents worried about him.

Will you join us to play basketball on Saturdayafternoon?—________, but I promised to go swimming with Eric.A．Never mind

Listen! There is a knock on the door.Who _____ it be?—It must be Jack.Just now I sent for him. [ ]

I would rather ____ to the party than ______athome.

It is no good ______ him. He doesn’t helphimself.