______ regular exercise is very important, it’s not a good idea to exercise too close to bedtime.
| A．If | B．As | C．Although | D．Unless |
Here are two________of brown pants.
| A．cups | B．plates | C．pairs | D．bottles |
This is ____ brother. ____ eight years old.
| A．her, She’s | B．his , She’s |
| C．her, He’s | D．your, His |
My brother and sister __________ both in Class 1.
| A．am | B．is | C．are | D．be |
---Your pencil case is nice. ---__________.
| A．OK | B．No, it isn’t |
| C．Thank you. | D．That’s all right |
--________desks are there in the classroom?—Twenty.
| A．How | B．How old | C．How many | D．Where |