The country has already sent up three unmanned spacecraft,the most recent ________ at the end of last March.
A.has been launched B.having been launched
C.being launched D.to be launched
________tomorrow’s lessons,I have no time to play with you.
A.Not preparing B.Not prepared
C.Not having prepared D.Having not prepared
—I would like to buy an expensive camera.
—Well.We have several models________.
A.to choose from B.of choice
C.to be chosen D.for choosing
The little boy still needs the________20 dollars to do with some things________.
A.remaining;remained to be settled
B.remaining;remaining to be settled
C.remained;remained to settle
D.remained;remaining to settle
________the working efficiency,the boss allows the employees to have a coffee break.
A.Improving B.To improve
C.Having improved D.Improved
Could you show me the TV set you’d like________?
A.to have repaired B.repairing it
C.to have it repaired D.to repair it