31. It was really a wonderful match. If only I__________it again.
| A．can watch | B．will watch | C．would have watched | D．could watch |
A clean environment can help the city bid for the Olympics, which ________ will promote its economic development.
| A．innature | B．inreturn | C．inexchange | D．infact |
After several rounds of the Voice of China Competition, Ji Ke Jun Yi _______ because of her excellent voice and performance.
| A．put out | B．picked out | C．broke out | D．stood out |
Cars do cause people some health problems, in fact far more serious _____ than computers do.
| A．one | B．it | C．ones | D．those |
____ under the tree was a charming girl aged about seventeen and eighteen.
| A．Sat | B．Sitting | C．To sit | D．Sit |
_____ the city’s public school system should be open to the children of migrant workers has become the focus of discussion.
| A．Whether | B．What | C．That | D．If |