Shall we go ________ downtown to buy some clothes of high quality?

A．to

B．the

C．不填

D．to a

________ we are alone, we can speak freely．

A．Now that

B．Though

C．Even if

D．As if

The chairman thought ________ necessary to invite Professor Smith to speak at the meeting．

A．that

B．it

C．this

D．him

It is not expected ________ he said caused so much discussion at the meeting．

A．that

B．what that

C．what

D．that what

He is always ready to help others．That's one of his ________．

A．strengths

B．powers

C．abilities

D．benefits

Please remind me in case I ________ forget．

A．could

B．would

C．should

D．will

The bridge ________ in the 1800's was the oldest building in this village．

A．to be completed

B．having been completed

C．completed

D．being completed

It was playing computer games that cost the boy plenty of time that he ________ spent doing his lessons．

A．might have

B．should

C．ought to have

D．could

Sarah hopes to become a friend of ________ shares her interests．

A．anyone

B．whoever

C．whomever

D．who

He appeared ________ with our team's performance．

A．satisfying

B．to be satisfying

C．to satisfy

D．satisfied