---Is Sarah coming ?
--- No. She should have let us know earlier , but _______ she has been very busy recently.
A．to be sure B．to be honest C．to be fair D．to be exact
We passed through some beautiful _______ on our journey through the Lake District.
A．view B．scenery C．sight D．scene
It was _______ you had done _______ made it possible for you to improve your English.
A．that ; that B．that;what C．what; what D．what;that
Your friends were all worried about _______ you were sick.
A．that B．which C．what D．the fact that
--Thank God you are safe!
---I stepped back , just _________ to avoid the racing car.
A．in need B．in case C．in time D．in turn
-- A medical team was sent to Japan by air five hours ago.
---So they_____ have arrived by now. The flight usually takes four hours or so.
A．might B．could C．need D．must
