Many countries in the world are looking forward to ________(trade) with China.

Tom, hurry up! It's time to have ________ breakfast. The school bus is coming soon!

A.a B.an C.the D./

Planting more trees on the sides of the road ________ a good way to make our city more beautiful.

A.is B.are C.was D.were

My grandfather's hobby is collecting stamps. He ________ them for over forty years.

A.collect B.collects C.is collecting D.has collected

— Do you know some robots are able to take care of children?

— Really? ________ interesting it is!

A.What B.What an C.How D.How an

—Helen, do you know if Martin _______ to my party next week?

—I think he will come if he ______ free.

A.will come; will be B.will come; is

C.come; is D.comes; will be

The school bag ________ be Lucy's, but I'm not sure about it.

A.must B.might C.would D.can't

— Do you know ________ for vacation in Paris?

— Last week, maybe on Monday morning.

A.when he leaves B.when does he leave C.when he left D.when did he leave

— Would you mind ________ the window? It's too hot inside.

— No, not at all.

A.open B.opening C.opens D.to open

A new shopping mall ________ in Changchun last year and it is famous for its beauty.

A.built B.to build C.was built D.builds