The professor worked for 7 hours at a ________.
A
此题考查的是固定词组搭配。atastretch一口气地。
Hewasspecificallyaskedtowriteaplaythatwouldbe________tothelocalcommunity.
英语翻译：我希望我的书将阐明我们面临的复杂问题。
Sincewehaveafocusedsubject，weshouldnottalk________.
英语翻译：他是公司的首席执行官,但总是平易近人。
Thevehiclewastravelingatspeeds________90milesperhour.
