Give them a hand this time and I am sure they will offer theirs ______ in the future.
| A．by turns | B．in turn |
| C．at turn | D．in return |
She programs us with all the possible moves she has seen while human games.
| A．she watched | B．watching | C．watched | D．to watch |
-- Are you familiar the music?
-- Yes. The music is very familiarme, but I can’t remember when and where I heard it.
| A．with; with | B．to; to | C．with; to | D．to; with |
-----The old man wouldn’t stay at home for a rest even if it rained.
---- . He would feel sick if he stayed home for one day.
| A．So would my grandpa | B．So wouldn’t my grandpa |
| C．Neither would my grandpa | D．Nor wouldn’t my grandpa |
You can’t use the machine today because some parts this week.
| A．are replaced | B．are being replaced | C．have replaced | D．are replacing |
The employee you have been thinking highly dishonest.
| A．of proving | B．of proves | C．of to prove | D．of being proved |