---The work will take me another week. I’m really tired.
---I think you as well consult an experienced worker.
| A．may | B．can | C．need | D．must |
I just wonder __________ that makes him so excited.
| A．why it does | B．what he does | C．how it is | D．what it is |
Engines are to machines _________ hearts are to animals.
| A．as | B．that | C．what | D．which |
____ team wins on Saturday will go through to the national championships.
A. No matter what B. No matter which C Whatever D. whichever
Nobody believed his reason for being absent form the class _____he had to meet his uncle at the airport.
| A．why | B．that | C．where | D．Because |
There is much chance ______Bill will recover from his injury in time for the race.
| A．that | B．which | C．until | D．If |