My wife __________ the night shift when my plane __________. That's why no one is to meet me at the airport today.
| A．will be working; arrives |
| B．was working; arrived |
| C．will have worked; has arrived |
| D．is working; is arriving |
is widely acknowledged thatthere is life, there is hope.
| A．It; whether | B．As; whether | C．As; where | D．It; where |
"Those responsible for the accidentbe punished while those contributing to solving the problems be rewarded," promised the official then and there.
| A．need | B．may | C．can | D．shall |
China's agriculture has been developing steadily, thus _ light industry with ample raw materials.
| A．providing | B．to provide | C．provides | D．provided |
--- Did they attend the opening ceremony?
---They _, but they were late and quit it.
| A．would | B．would have | C．didn't | D．will have to |
This tower, they are planning to have decorated, is always the best place to have a view of the sea.
| A．where | B．what | C．which | D．that |