You must turn off the gas after cooking. You can never be ______ careful with
that.
| A．enough | B． too | C．so | D．very |
—Please go and say hello to your aunt．She’s in the living room now．
—She has arrived! But when ______ she ______?
| A．will; arrive | B．did; arrive | C．had; arrived | D．has; arrived |
—Fool _____ I am, I will not believe you any more．You have been promising a hundred times!
—But Mum, this is the last time．
| A．as | B．although | C．if | D．so |
Never give up your effort, ______ you are sure to get what you’re trying to get．
| A．and | B．before | C．or | D．but |
—Come in and have a look．Where can you find a so high-quality gift for your loved ones?
—______．Thank you．We have no intension to buy．
| A．That just depends | B．Let us be | C．It’s nothing | D．Take it easy |
Have you any idea ______we can do to help those ______are in great need?
| A．how; who | B．what; / | C．whether; that | D．what; who |