________ the decision must be made immediately requires questioning.
| A．That |
| B．If |
| C．When |
| D．Whether |
The managers discussed the plan that they would like to see _______.
A. carry outB carrying outC. carried outD. to carry
If we work with a strong will, we can overcome any difficulty, ________great it is.
| A．whatever | B．however | C．wherever | D．whenever |
“Can’t you read?” Mary said _______ to the notice.
| A．angrily pointing | B．and point angrily |
| C．angrily pointed | D．and angrily pointing. |
The teacher commanded that the exercises _______ in an hour.
A. was finishedB . were finishedC should finishD. be finished
_______ is the most useful invention?
| A．Do you think which of these | B．Which of these do you think |
| C．Which of these you think | D．You think which of these |