It ____ Jack twenty minutes ____ the math problem yesterday.
|
A．took; to work out |
B．takes; worked out |
|
C．has taken; work out |
D．is taking; working out |
He stood there for two hours ____ the game.
|
A．watched |
B．watching |
C．is watching |
D．was watching |
Is it always easier ____ friends than to keep them?
|
A．making |
B．make |
C．to make |
D．made |
They were made ____ fourteen hours a day.
|
A．work |
B．working |
C．worked |
D．to work |
Why not ____?
|
A．let him to go home |
B．to let him go home |
|
C．let him go home |
D．to let him to go home |
The headmaster’s words are quite _____.
|
A．encouraged |
B．encouragement |
C．encouraging |
D．encourage |
