According to the engineer, there remain some tests _____ before the machine is put into operation.
| A．carrying out | B．carried out | C．being carried out | D．to be carried out |
How are you getting on with your classates?
——______. I’ve got to know them all.
| A．Far better | B．Much pleased | C．Very comfortable | D．Very good |
We must keep our room clean, for dirt and disease go______, you know.
| A．hand in hand | B．step by step | C．from time ti time | D．one zfter another |
To their great relief, the missing child returned home, ______, after an absence of two weeks.
| A．felt tired and sound | B．tiring and soundly |
| C．feeling tired but soundly | D．tired but sound |
Have your working conditions improved?
---No, ______than before, I’m afraid.
| A．no better | B．a little batter | C．not worse | D．no worse |
The task is too much for me, so I can’t carry on ______any longer. I must get some help.
| A．singly | B．simply | C．alone | D．lonely |