— It’s a long time ______I saw you last.
— And what is a pity now that it will be a long time______ we see each other again.
| A．before; since | B．since; when |
| C．when; before | D．since; before |
That passenger was very impolite to the conductor, ______, of course, made things even worse.
| A．who | B．which | C．what | D．that |
His experiment done in ______ summer of 1970 was ______ failure.
| A．/; a | B．/; / | C．the; a | D．the; / |
Once natural resources _____ , the consequence will be unimaginable.
| A．use up | B．run out | C．are given out | D．run out of |
-- Is there any room in the ship?-- Yes. We can probably _____ a few more people into it.
| A．squeeze | B．press | C．hold | D．push |
He dressed up and went to the party as if_____.
| A．was invited | B．had been invited | C．to be invited | D．invited |