---__________ it is from our own planet Earth to Mars!
---Yes, it takes months to travel to Mars by spacecraft.
| A．How soon | B．How far | C．How long | D．How often |
Because of Project Hope (希望工程), _______ children have better lives.
| A．thousand | B．thousand of | C．thousands of | D．two thousands |
––Has your brother ever been to the Sand Lake?
––Yes, he has _______ the Sand Lake many times.
| A．been to | B．gone to | C．go to | D．went |
This morning m
y mother asked me__.
| A．why he is not here | B．where Julia went last weekend |
| C．what time is it | D．how  did my brother do it |
The meeting _ by the time I got there yesterday.
| A．was on | B．has been on | C．had begun | D．has begun |
The teacher said that__ of the boys would take part in the talent show.
| A．three five | B．three fives | C．thirds fifths | D．three fifths |