________ excited Geoff Marcy most was ________ there were planets in other solar system where life might exist.
| A．It; if | B．That; whether | C．What; whether | D．What; that |
______ it rain heavily tomorrow, we would have to put off the visit to the Forbidden City.
| A．Were | B．Should | C．Would | D．Will |
________ repeatedly, the problem still appeared in the beginners’ homework.
| A．Explaining | B．Having explained |
| C．Having been explained | D．To be explained |
---It is what parents say and do that really matters in children’s character training.
---________.
| A．Properly | B．Doubtfully | C．Simply | D．Absolutely |
_______ weather it is, we shall set out on time.
| A．Whatever | B．However | C．Whenever | D．Whether |
---Is Jack still asleep in class?
---I think he _______ be criticized if he goes on with it.
| A．need | B．shall | C．can | D．would |