I have done everything possible to prevent him from running the risk but ______.
| A．in time | B．in case | C．in vain | D．in need |
______side of the street is lied with different shops, _______ of which sell electronic products.
| A．Both; both | B．Either; all | C．Neither; either | D．Either; both |
He arrived here at noon, ______in the day, and he went out and came back_______ in the day.
| A．late; late | B．late; later | C．later; late | D．later; later |
Only when _____ possible to settle the problem.
| A．does the chief editor come will it be |
| B．the chief editor comes will it be |
| C．has the chief editor come it will be |
| D．the chief editor comes it will be |
They stayed with me three weeks, _____ they drank all the wine I had.
| A．which | B．which time |
| C．during which time | D．during which |
Sometimes we are asked _____ the likely result of an action will be.
| A．that we think | B．what do we think |
| C．what we think | D．that what we think |