If this product does not give you complete satisfaction, please return it to the manufacturer, stating when it ________.
| A．is purchased | B．will be purchased |
| C．purchases | D．has purchased |
33. She’s in a hopeless situation, ___________ we will keep a very close eye on.
| A．where | B．when | C．which | D．that |
32. People who exercise _______________ are less likely to feel stress.
| A．regularly | B．formally | C．mostly | D．publicly |
31. Internet shopping is really _____________ when people are sure of its safety and security.
| A．taking off | B．taking up | C．setting off | D．setting up |
30. What the young man can’ t ___________ is that his mum always treats him like a baby.
| A．support | B．undertake | C．hold | D．bear |
29.____________ the news, so far, has been good, there may be bad days ahead.
| A．When | B．While | C．If | D．As |