The roof fell ____ he had time to rush out.
| A．until | B．before | C．when | D．Since |
_________ , his mother will wait for him to have dinner together .
| A．However late it he | B．However late he is |
| C．However is he late | D．However he is late |
The road condition there turned out to be very good , ________ was more than we could expect .
| A．it | B．what | C．which | D．that |
Ten years ago the population of our village was _______ that of theirs .
| A．as twice large as | B．twice as large as |
| C．twice as much as | D．as twice much as |
Boris is no longer a child , let him learn to ________ the problem himself .
| A．discuss | B．settle | C．deal | D．decide |
________ my finishing reading the magazine Reader , you can have it _______ .
| A．On , immediately | B．At , quickly | C．For , fortunately | D．With , likely |