I had great difficulty the suitable food on the menu in that restaurant.
| A．find | B．found | C．to find | D．finding |
The child asked his mother ________ go out to play tennis.
| A．that he could | B．if he could |
| C．if could he | D．that could he |
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 |