The rice ___ cut three weeks ago.
| A．was | B．were | C．has been | D．have been |
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 |