We rushed to the football court, only to see a sign _____ into the ground reading PERIODIC MAINTENANCE (定期维修).
The house I grew up ________ has been taken down and replaced by an office building.
I invited Mary and Jane to dinner, but of them came.
.The plant is dead . I ________ it more water.
The fact has worried many scientists ______ the earth is becoming warmer and warmer these years.
.He has ______ little education that he finds it impossible for him to equal ______ important a task.