关于 x 的不等式 2 x + a ⩽ 1 只有2个正整数解,则 a 的取值范围为 ( )
- 5 < a < - 3
- 5 ⩽ a < - 3
- 5 < a ⩽ - 3
- 5 ⩽ a ⩽ - 3
I missed last night's Everlasting Classics(《经典咏流传》)!
You care. You can watch it online later.( )
A.mustn'tB.can'tC.may notD.needn't
I couldn't believe the take away man can remember so many classical poems _____I saw him on TV.( )
A.sinceB.untilC.ifD.when
There _____a coffee shop at the corner of the street. The coffee there tastes nice.( )
A.isB.areC.hasD.have
My classmate Daniel dressed up ______the e﹣dog Hobo in today's English class.( )
A.asB.ofC.atD.to
Hawking, one of _____most famous scientists, passed away in March.( )
A.aB.anC.theD.不填