31．—Can you tell me what time the flight to Detroit leaves?
—I'm sorry, but it ______．
| A．has been canceled | B．had been canceled |
| C．has canceled | D．had canceled |
—Do you intend to sign up for the Yoga club?
----___________. I just can not wait to start .
| A．That depends | B．No wonder | C．That is for sure | D．Go ahead |
To be honest, I would agree with Tom, though not _____.
| A．widely | B．entirely | C．actually | D．gradually |
Jim is good at English. He often gives me some useful ____on how to read English.
| A．tips | B．items | C．powers | D．choices |
We are all____ of the poem “Children, quickly, hold mother’s hands” and moved by it.
| A．tired | B．afraid | C．fond | D．confident |
Scientists say it may be five or six years_______it is possible to test this medicine on human patients.
| A．when | B．after | C．before | D．since |