To make members of a team perform better, the trainer first of all has to know their _____ and weaknesses.
—Please let me know where David is. I couldn’t find him anywhere.—Well, he _____have gone far—his coat’s still here.
He should have come here earlier, but he hasn’t _____yet.
—Do you mind if I borrow your dictionary?— _________.
---Hi, Jack. I’m going to take part in the English Speaking Contest tomorrow.--- Wonderful. _______!
_______all his efforts he failed, he was so upset about himself that he felt like crying.