_____, some famous scientists have the qualities of being both careful and careless.
| A．Strangely enough | B．Enough strangely |
| C．Strange enough | D．Enough strange |
Ladies and gentlemen,please remain_____until the plane has come to a complete stop.
| A．seated | B．seating | C．to seated | D．seat |
—Lily can’t afford a holiday and this upsets her very much.
—, let’s give her a hand.
| A．If ever | B．If any | C．If only | D．If so |
in the novel that he did not notice his father at the door.
| A．So he was absorbed | B．So was he absorbed |
| C．So absorbed he was | D．So absorbed was he |
John treated me to dinner that night, _____was beyond my expectations.
| A．that | B．which | C．what | D．it |
Not only the USA and Russia but also China ________ manned satellites to circle the earth.
| A．has sent up | B．has been sent up |
| C．have sent up | D．had been sent up |