Good food, good sleep, no exercise. That's ________ he gained weight.
| A．how | B．when |
| C．what | D．whether |
If only I to my parents advice.
| A．listening | B．listen |
| C．am listening | D．had listened |
Let’s go to the library for more books.I don’t think these all the problems of the subject.
| A．tell | B．show | C．find | D．cover |
I am too busy.I can’t a holiday.
| A．go | B．afford | C．pay | D．spend on |
so happened I was there.
| A．It;that | B．What;is | C．That;it | D．It;it |
The moment we had been looking forward to at last.
| A．coming | B．come | C．comes | D．came |