Please keep me informed_______ the change of your address as soon as possible．

A．of             B．for             C．with          D．by

Steps must be taken ______this kind of disaster will never happen again．

A．because            B．even if             C．a(chǎn)s          D．so that

Don’t give up regardless of difficulty and failure,______ you’ll never achieve your goals．

A．a(chǎn)nd            B．but            C．or          D．so

No matter how low you consider yourself, there is always someone______ you wishing they were that high．

A．getting rid of                             B．getting along with

C．looking up to                           D．looking down upon

---How will she behave in case of our failure?

---She’ll put the blame on us if it______ badly ．

A．turns up            B．turns down             C．turn off              D．turns out

Say “Cheese” but keep_____ while I take your photograph．

A．quiet         B．calm             C．still              D．silent

---What’s that terrible noise, David?

---Oh, I forgot to tell you．The new machine in the nearby plant_____．

A．were tested                                      B．will be tested

C．a(chǎn)re being tested                                 D．have been tested

It’s nice to see you again．What ______since we last met?

A．have you done                            B．had you done

C．have you been doing                   D．did you do

The number of children who have lost parents due to AIDS ______to rise to over 26 million in 2011．

A．a(chǎn)re expected                                     B．is expecting

C．a(chǎn)re expecting                                 D．is expected

Remember that there is still one point ______we must make clear at the conference tomorrow．

A．where         B．why           C．when           D．that