________ your composition carefully, some spelling mistakes can be avoided.
| A．Having checked | B．Check |
| C．If you check | D．To check |
To ask someone for help is to turn ______him for a hand.
| A．for | B．on | C．by | D．to |
The manager has to get all these washing machines______ to the customers this week.
| A．to deliver | B．be delivered | C．delivered | D．delivering |
---You could have asked your brother for help. He is good at math.
---Yes. A whole day________ .
| A．will waste | B．had wasted | C．was wasted | D．would be wasted |
---Does your brother always work so hard?
---Yes.______ he catches a cold or has a fever sometimes
| A．whenever | B．no matter how | C．even though | D．although |
---Was Tom there when you arrived?
---Yes, but he _______ home soon afterwards.
| A．had gone | B．has gone | C．is going | D．went |