Mum didn’t go to bed _____ I came back home last night.
| A．until | B．while |
| C．though | D．because |
Helen’s never late for school , _____ she ?
| A．hasn’t | B．has |
| C．isn’t | D．is |
Half of the class _____ done most of the work ．The left _____ rather difficult．
| A．have ; is | B．has ; is |
| C．have ; are | D．has ; are |
– Why did you _____ up these flowers ?
– Because I want to grow some vegetables there ．
| A．catch | B．grow |
| C．take | D．pull |
–Can’t you see the sign ? It ________ “No smoking !”
–Oh , Sorry I didn’t see it ．
| A．says | B．writes | C．tells | D．shows |
______ great fun it is to swim in summer !
| A．What a | B．What |
| C．How | D．How a |