By the time I ________, I realized that I had left my umbrella in the shop．

A．got home

B．reach home

C．got to home

D．went home

________ last week we had had ten English tests．

A．In the end of

B．At the end of

C．By the end of

D．In the end

Judy, it’s too late．Could you ________ to the care center?

A．give me a ride

B．help me a ride

C．take me a ride

D．let me a ride

I’ve never overslept, but yesterday my clock ________．

A．didn’t go off

B．didn’t work

C．wasn’t work

D．hadn’t go out

By the time we reached home, my mother ________ for supper．

A．had prepare

B．had got ready

C．was prepared

D．had be ready

When the second class began, I ________ that I had left my book in the lab．

A．have known

B．realize

C．have realized

D．realized

It might be difficult ________ what new English speakers are saying．

A．to understand

B．understanding

C．understood

D．understand

New types of English are common ________ English is spoken．

A．wherever

B．whenever

C．whatever

D．where

Today, a quarter of the world’s population uses English, and as ________ as one billion people are learning it．

A．much

B．many

C．more

D．most

My little nephew is too young to get ________．

A．dressing

B．to dress

C．dressed

D．dress