ew difficulties _________ in yourwork, it’s always important to use your brains．

Is Jim in the gym by himself— No. There is another boy ________ tennis with him.

How did he finish the work–I hear that he did it _______.

Why didn’t you try your best to get on the bus?—I tried to , but _______ I could, it started moving

Either you or he _______ to give them a lecture tomorrow.