He spent one day ________ in the room．

A．locking

B．locked

C．to be locked

D．having locked

The storm left, ________ a lot of damage to this area．

A．caused

B．to have caused

C．to cause

D．having caused

Mr．Smith, ________ of the ________ speech, started to read a novel．

A．tired; boring

B．tiring; bored

C．tired; bored

D．tiring; boring

The final examination is coming up soon．It's time for us to ________ our studies．

A．get down to

B．get out

C．get back for

D．get over

We have to ________ the wheat as soon as possible because a storm is on the way．

A．get away

B．get across

C．get through

D．get in

They didn't fight, but stood there ________ one another．

A．glared at

B．stared at

C．glaring at

D．staring at

If your knowledge can be in some way ________ with my experience, we are certain to succeed．

A．united

B．connected

C．combined

D．joined

I can do nothing but review part of my previous lecture ________ those who have been absent from some class．

A．on purpose

B．on the pretext of

C．in return for

D．for the benefit of

Don't be too ________ about things that you are not supposed to know．

A．strange

B．amusing

C．curious

D．conscious

He is always full of ________ as though he never knew tiredness．

A．strength

B．energy

C．force

D．spirit