Suddenly he ____________his mother in the crowd and ran to her .
| A．lost sight of | B．caught up with | C．caught sight of | D．in sight of |
--Look! John is ___. Let’s go and see if he needs any help.
A, out of the breath B. out of breath C. out of his breath D. out of breathes
It's dark, Mum ___ be waiting for my return.
| A．can | B．should | C．must | D．may |
___ the invitation of Mr. Black, she attended the tea-party.
| A．At | B．On | C．To | D．With |
---Is this ___ man that you are looking for? ---Yes, this is ___ the man.
| A．the very, just | B．the just, just | C．right the, very | D．very the, very |
It'll be ten years ___ we have the chance of seeing each other.
| A．that | B．before | C．after | D．since |