______ it have been the failure to pick up directions from the ground control that caused the air crash?
| A．Must | B．Could | C．Would | D．Should |
The audience gave the performer ______ burst of _______．
Ａ．a; applause B. /; applause C. /; applauses D. some; applauses
straight on and you’ll see a church . You won’t miss it.
| A．Go | B．Going | C．If you go | D．When going |
Once a decision has been made, all of us shouldit .
| A．direct to | B．stick to | C．lead to | D．refer to |
What surprised me was not what he said but he said it.
| A．the way | B．in the way that | C．in the way | D．the way which |
with the size of the whole earth , the biggest ocean does not seem big at all .
| A．Compare | B．When comparing |
| C．Comparing | D．When compared |