I suppose he ought to have known that,________?
| A．don’t I | B．oughtn’t he | C．do I | D．ought he |
It was last night _______ I read about the history of English.
| A．that | B．which | C．what | D．when |
They found the remains of buildings _______ under the sand, together with a lot of treasures.
| A．being buried | B．buried | C．to be buried | D．burying |
It is not Tom but you who _______ to blame for the accident.
| A． is | B．was | C． are | D．is going to |
The injures from Yushu earthquake are in different hospitals. Right now they ______ carefully.
| A．are treating | B．are being treated | C．have treated | D．have been treated |
Our country is _______ to yours in that they both have several time zones.
| A．same | B．similar | C．alike | D．familiar |