It’s no long a question now ____men can land on the moon.

Seldom______computer games ever since he entered college.

(2013·乌鲁木齐高三第一次诊断性测验)That scientist ________ work is successful has been made a model worker.

How long do you think it will be_________we finish this dictlonary?

Why are you standing, Tony—I can’t see the blackboard. A tall boy is ______ me.