No matter where he is, he makes _________ a rule to go for a walk before breakfast.
| A．him | B．this | C．that | D．it |
On the contrary, I think it is Truman, ______ you, ______ to blame.
| A．more than; are | B．less than; who are |
| C．rather than; that is | D．rather than; is |
A modern city has been set up in _____ was a wasteland ten years ago.
| A．where | B．which | C．when | D．what |
Is this the reason ______at the meeting for his carelessness in his work?
| A．he explained | B．what he explained |
| C．how he explained | D．why he explained |
She speaks as if she ____on the spot.
| A．was | B．were | C．had been | D．is |
______ it______ for your help，I couldn't have made any progress．
| A．Had；not been | B．Should；not been |
| C．Did；not been | D．Not；be |