We’d be very grateful if you could join us because your cooperation will _____ the timely completion of our project.

Could you help me with the math problem —–________. I’m too busy now.

－She looks very happy. She ___________the exam.－I guess so. It’s not difficult after all.

The dish has a special flavor. You can hardly imagine how it tastes ______ you really taste it.

Are you two old acquaintances —Yes, we _____ in the same neighborhood for quite along time, though he went abroad with his family at 14.