It will not be long _____man can harness the solar energy and make it serve mankind.
| A．since | B．before | C．when | D．after |
A fierce fire broke out there last night. ______, most of the building was burnt to the ground.
| A．As a matter a fact | B．As result | C．As consequence | D．Consequently |
. Attention, coffee lovers! We have for you, the best coffee machine _____ invented.
| A．ever | B．already | C．even | D．nowadays |
---- Has he finished the work?
---- Not really. _______ he worked all day, ______ he couldn’t finish the task.
| A．Although, yet | B．As, yet | C．Despite, but | D．In spite of, still |
----The weather is changeable here. Please take more clothes.
---- _________.
| A．Well, it depends. | B．It’s a pleasure |
| C．OK, just in case. | D．Take your time. |
Don’t push against one another! The woman carrying a baby, ______ in first.
| A．comes | B．come | C．came | D．is coming |