The first decade of the 21st century ______ breathtaking, non-stop development in China.
| A．witnesses | B．witnessed | C．will witness | D．had witnessed |
—Is your mother going to the supermarket ?
—No, ____.
| A．she doesn’t | B．she’s cooking |
| C．she gets by bus | D．to a tailor’s shop |
—Did you visit the museum last week ?
—No, we ___, but we spent too much time shopping.
| A．could have | B．could |
| C．must have | D．must |
Who can you turn to in time of danger, if not ___?
| A．ourselves | B．ours |
| C．we | D．us |
I’m looking forward as much to her return as she herself to ___ me.
| A．have seen | B．seeing |
| C．meet | D．be met |
—Susan, will you please go and empty that drawer?
—______?
| A．What for | B．What is it |
| C．How is it | D．How come |