He transplanted the little tree to the garden _____ it was the best time for it.
| A．where | B．when | C．that | D．until |
________ it with me and I’ll see what I can do.
| A．When left | B．Leaving |
| C．If you leave | D．Leave |
Mr. Wang, ______ we owe a lot, comes from Shanghai, ______ lies in the east of China.
| A．to whom; where | B．to whom; which |
| C．of whom; where | D．whom; which |
He is really considering _____ himself to ______ these children of the poor mountain village.
| A．to devote; educating | B．devoting; educating |
| C．devoting; educate | D．to devote; educate |
Many Americans eat ________ as they actually need every day.
| A．twice as much protein (蛋白质) | B．twice protein as much |
| C．protein as much twice | D．protein as twice much |
I like getting up very early in summer. The morning air is so good _________.
| A．to be breathed | B．to breathe |
| C．breathing | D．being breathed |