Only when possible to settle the problem.
| A．our teacher comes will it be |
| B．does our teacher comes will it be |
| C．our teacher comes it will be |
| D．has our teacher come will it be |
—Did Jack come back early last night?
—Yes. It was not yet eight o' clock he arrived home
| A．before | B．that | C．when | D．until |
When you ______ at a restaurant, please order just enough food.
| A．eat | B．will eat | C．ate | D．have eaten |
_______ she is, she has not much inside.
| A．Intelligent girl as | B．An intelligent girl as |
| C．Intelligent a girl as | D．Girl intelligent as |
No matter ______ the CRH accident in Wenzhou, it had and will have much warning significance.
| A．how the investigators said caused | B．what the investigators said caused |
| C．why the investigators said caused | D．the investigators said how caused |
He was inspired to start again ________ he had failed.
| A．where | B．in which | C．when | D．what |
_______ difficult and challenging the task may be, we must finish it on time, because there is a possibility _______our work will go down in history.
| A．Whatever; that | B．However; as |
| C．Whatever; which | D．However; that |
It was 5 o’clock __________ the visitors finally arrived at Pudong International Airport.
| A．when | B．that | C．before | D．since |
__________, they couldn’t make her change her mind.
| A．Hard as they tried |
| B．Tried hard as they |
| C．As they tried hard |
| D．They tried as hard |