He wrote a letter ______ he explains what had happened in the accident.
| A．what | B．which | C．where | D．how |
My parents often inspire me, "______ till you make it．"
| A．Fight | B．Fighting | C．To tight | D．Fighted |
Some people are bad at recalling names and faces, so it's possible that they have a condition called face blindness, ______ people suddenly have trouble recognizing family members, friends or even themselves．
| A．for which | B．which | C．where | D．of which |
____ is to be done is ______ to carry it out smoothly since the decision has been made．
| A．What; how | B．Where; how | C．When; what | D．Where; what |
—Remember how we met for the first time, Dick?
—Of course I do．You ______ to the teachers’ office hurriedly and ______ me．
| A．had walked; weren't noticing | B．were walking; didn't notice |
| C．had been Walking; noticed | D．walked; had noticed |
Most people hold the view that the key to keeping fit is to ______ regularly．
| A．give out | B．turn out | C．work out | D．get out |