35. If English ______ included in the examinations, few students would choose it.
| A．weren’t | B．isn’t  |
C．hasn’t been | D．hadn’t been |
___ is left over may be put into the refrigerator, ____ it will keep for two or three weeks.
| A．Whoever; when | B．Whenever; which |
| C．Whatever; where | D．Whichever; while |
Modern science has given clear evidence ____ smoking can lead to many diseases.
| A．what | B．which | C．that | D．where |
Three young men have been arrested because they were caught ___ an old lady last night.
| A．robbed | B．to rob | C．rob | D．robbing |
______ a little earlier, you could have got a copy of his latest book.
| A．If you would arrive | B．If you arrived |
| C．Should you arrive | D．Had you arrived |
Don't be afraid to ____ help if you have any further problems.
| A．beg | B．hesitate | C．desire | D．seek |