Over the past decades, the ice cap melting rate _____ as a result of global warming.
| A．had increased | B．increased |
| C．has been increasing | D．is increasing |
."Can you read?" Mary said _______ to the notice.
| A．angrily pointing | B．and point angrily | C．angrily pointed | D．and angrily pointing |
The visiting Minister expressed his satisfaction with the talks, _______ that he had enjoyed his stay here.
| A．having added | B．to add | C．adding | D．added |
"We must keep a secret of the things _______ here", the general said, _______ at the man in charge of the information office.
| A．discussed, stared seriously | B．being discussed, seriously staring |
| C．to be discussed, seriously stared | D．discussed, stared |
.China is one of the largest countries in the world, _______ 9.6 million square (平方) kilometers.
| A．to cover | B．covered | C．covers | D．covering |
The old sick lady entered the hospital, ______ her two sons.
| A．to support | B．supporting | C．supported by | D．having supported |