Because of the Russian gas limit to Europe, attempts _______ to use botanical fuel as a source of power.
| A．have made | B．having made | C．are being made | D．will be making |
More than one student ___ that experiment.
| A．has finished | B．have finished | C．are finishing | D．were finishing |
The teacher together with his students ___ down at the desk and having a discussion in the classroom.
| A．is sitting | B．sat | C．are sitting | D．would sit |
--___ you got to know my telephone number? ---Through a friend of yours.
| A．How was it | B．How was it that | C．Was it how that | D．How did |
--I’m so tired and wanted to go to bed earlier.---____.
| A．Me, too | B．I, too | C．Me, also | D．I, also |
A big storm ___ South China, causing a lot of damage.
| A．came | B．held | C．ran | D．struck |