________ into use in April 2012, the hotline was meant for residents reporting water and heating supply breakdowns.
| A．Putting | B．Put | C．Having put | D．Being put |
. The next morning she found the man ___________ in bed, dead.
| A．lying | B．lie | C．lay | D．laying |
. There was terrible noise ___________ the sudden burst of light.
| A．followed | B．following | C．to be followed | D．being followed |
. The secretary worked late into the night, ___________ a long speech for the president.
| A．to prepare | B．preparing | C．prepared | D．was preparing |
. “Can't you read?” Mary said ___________ to the notice.
| A．angrily pointing | B．and point angrily | C．angrily pointed | D．and angrily pointing |
. How about two of us ___________ a walk down the garden?
| A．to take | B．take | C．taking | D．to be taking |