The hotel is almost finished, but it _____ needs one or two weeks to get ready for guests.
The teacher always tells her students that only if _____ hard ____ achieve success.
Obviously the measures taken by the local government have _____ the solution to drinking water problems in this region.
Could you drive me to the bookstore at noon if _____?
_____ I see the photo, I will always think of Mr. Li, who once was very strict with us.
I don't understand what the engineer means, but I’ve got ____ rough idea of ____ Project plan.