【推荐1】This is a machine ________ by the great scientist.

A．invent

B．to invent

C．invented

D．was invented

【推荐2】You still have some pocket money__________. Why not _____________?

A．to leave; give it to him and me

B．left; throw it away

C．to leave; hand them out

D．left; send it to them

【推荐3】A terrible disaster ________COVID-19（新冠肺炎）is happening to the earth, we should do more things we can   ________the wild animals instead of killing them freely.

A．is named, protect

B．named, to protect

C．named, protecting

【推荐1】I remember we went bike riding together last fall.

A．并列句

B．简单句

C．复合句

【推荐2】—What did Jim say in the letter?
—He said ________ Paris was a good place.

A．that

B．when

C．how

D．if

【推荐3】This famous saying “When I walk along with two others, they may serve me as my teachers.” tells us ________.

A．whom we can teach

B．that we can learn from different persons

C．what we said in public