I can’t help _______the house because I’m busy making a cake.
| A.to clean | B.cleaning | C.cleaned | D.being cleaned | 
The flowers_____sweet in the garden attracted the visitors to the beauty of nature.
| A.smell | B.smelt | C.smelling | D.to be smelt | 
---____potato salad is good.
  --- I’m very glad you like it. I used____special cheese to make it.
| A.The;不填 | B.The; a | C.A;不填 | D.A; the | 
.--- Wow, so many new houses! I can’t believe that. It used to be a poor village.
  --- Yes._____has changed here.
| A.Nothing | B.Something | C.Everything | D.Anything | 
—I’m afraid that I can’t finish the task as soon as planned.
  ——____________。
| A.Don’t be afraid | B.Don’t mention it | C.I suppose so | D.Take your time | 
.Hardly_________the phoneI was told that the hotel had been booked full.
| A.I had picked up;when | B.had I picked up;then | 
| C.had I picked up;when | D.I had picked up;then |