Only when you slow down the speed ______ feel safer.
| A．we can | B．can we | C．did we | D．we did |
—Look! He’s running so fast!
—Hard to ____ his legs were once broken.
| A．know | B．imagine | C．realize | D．find |
—Jack bought a new mobile phone the other day.
—______? That’s his third one in just one month.
| A．Had he | B．Did he | C．Does he | D．Has he |
Mum _____ to us, “Be quiet! Your sister is sleeping.”
| A．whispered | B．shouted | C．explained | D．replied |
.Don’t take too much of the medicine; it does you more harm than good if you ____.
| A．do | B．take | C．like | D．have |
There aren’t many seats left for the concert; you had better make sure ____ two today.
| A．getting | B．to have got | C．that you get | D．that you will get |