—Please let me know where David is. I couldn’t find him anywhere.
—Well, he _____have gone far—his coat’s still here.
| A．shouldn’t | B．mustn’t | C．can’t | D．wouldn’t |
I broke my relationship with John because he always found with whatever I did.
| A．error | B．mistake | C．fault | D．failure |
Walking and running are the oldest and newest, excellent _________ exercise for all ages and fitness levels.
| A．bodies shaping | B．body shaping | C．bodies shaped | D．body’s shape |
—Do you think we can get there on time?
—Yes，_______ the truck doesn’t break down.
| A．even if | B．unless | C．until | D．so long as |
The children were playing games on the playground, ________ school uniforms.
| A．all of them wore | B．all wearing |
| C．all of whom wearing | D．all were wearing |
It is written clearly in the requirements that all passengers ______ check onto board 30 minutes before the plane takes off.
| A．may | B．can | C．will | D．shall |