The growing speed of a plant is influenced by a number of factors, _____ are beyond our control.
_____ time, he’ll make a fist-class tennis player.
The picture ________ on the wall is painted by my nephew.
The managers discussed the plan that they would like to see _______the next year.
how to do the homework, I went to ask my teacher for help.
You’d better leave the windows _________ and the door ___________.