. E-mail, as well as telephones, ________ an important part in daily communication.
| A．is playing | B．have played | C．are playing | D．play |
—Henry doesn’t seem to be what he was.
—No. so many terrible things in the war has made him more thoughtful.
| A．Seen | B．His having seen |
| C．Having seen | D．To have seen |
— You’ve made great progress in your studies of English, haven’t you?
—Yes, but much _______.
| A．remains to do |
| B．is remained to do |
| C．remains to be done |
| D．is remained to be done |
The soldiers tried their best and did what they could _______ against the flood.
| A．fight | B．to fight |
| C．fighting | D．fought |
_______ for the breakdown of the school computer network,Alice was in low spirits.
| A．Blaming | B．Blamed |
| C．To blame | D．To be blamed |
Helen had to shout _______ above the sound of the music.
| A．making herself hear |
| B．to make herself hear |
| C．making herself heard |
| D．to make herself heard |