He’ll be very upset if you_________his offer of help.
| A．turn off | B．turn out |
| C．turn over | D．turn down |
Customers are asked to make sure that they______ the right change (零钱) before leaving the shop.
| A．will give | B．will be given | C．have given | D．have been given |
E-shopping, when properly, can save us a lot of time and energy.
| A．being done | B．done | C．doing | D．is done |
---Where is your new home now?
---In the new developed zone. But I ______downtown for five years.
| A．have lived | B．had lived | C．lived | D．was living |
Getting off the bus, she found her hand bag ________.
| A．cut | B．was disappeared | C．losing | D．being missed |
It's necessary that measures _____ at once to help people understand global warming is
affecting our life to an increasingly high degree.
| A．must be taken | B．be taken | C．should take | D．are taken |