8．－This is a gas station! And you_________know smoking is forbidden here.
－Oh, terribly sorry.
| A．will | B．can | C．may | D．Must |
It remains to be seenthe newly formed committee's policy can be put into practice.
| A． | that | B． | which | C． | what | D． | whether |
Marco Polo is said to have sailed on _______Pacific Ocean on his way to Java in ______thirteenth century.
| A．the; a | B．a;不填 | C．不填;the | D．the; the |
I have heard a lot good things about you _______ I came back from abroad.
| A．since | B．until | C．before | D．when |
Jim ______ a late night film at home when, right in the middle a thrilling scene, the television went blank.
| A．watched | B．had watched | C．was watching | D．would be watching |
______ is often the case with children, Amy was better by the time the doctor arrived.
| A．It | B．That | C．What | D．As |