There used to be a power station in the countryside, ______？A．didn"t itB．wouldn"t thereC．s

Nowcasts used to be impracticable because______.A．there were no conventional computersB．th

There was to be more use, where necessary and if carefully monitored, of ______ capital re

Which of the following words can NOT be used to complete "I havent been there______. "？A．b

What will be used to power cars in the next few decades？A．Synthetic fuel.B．Solar energy.C．

There used to be an old city here, which was （)under the river about 2000 years ago.A、

When he was a boy he used to go there and watch _____.A.to repair bicyclesB.bicycles to be repaired