—Did you receive the letter the next day?
—No. Somehow, it was three weeks ________ I received it.
| A．since | B．before | C．that | D．when |
It is the first time that I _______ this kind of moon cake.
| A．enjoyed | B．enjoy | C．have enjoyed | D．Enjoying |
_____ catch the first bus, he got up very early this morning.
| A．In order to | B．In order that |
| C．So as to | D．So that |
It was because of bad weather _____ the football match had to be put off.
| A．so | B．so that | C．why | D．that |
There was ______ time _____ Chinese used foreign oil.
| A．/; when | B．a; while | C．a; when | D．/; while |
--- Mary’s got crazy and has been sent to the mental hospital. Did you tell her boss about that?
--- Yes, but I _____ her husband first.
| A．should have told | B．shouldn’t have told |
| C．must have told | D．needn’t have told |