He looks unhappy — Let’s ________

gh the filmstar has got a tight schedule these days, our boss is still _________ to havehim invited to the party for the promotion of our new product.

We have _________ our position on the issue (期刊)! Whatever happens, we won’t change it.

How about the food I ordered I__________ for 20 minutes.— Sorry, sir. I will be back with yourorder in a minute.

Regular exercise________our health；that is to say，our health can________it.