As teachers, we should let our students do ________ to develop their interests．

A．whatever do they like

B．whatever they are like

C．whatever will they like

D．whatever they like

Could you please give me your e-mail address ________ you go?

A．as soon as

B．before

C．after

D．until

You are never ________ old ________ dream a new dream．

A．very; to

B．so; that

C．such; that

D．too; to

When we realize yesterday is gone forever, we find we are growing up ________．

A．little by little

B．step by step

C．one by one

D．side by side

You ________ do it if you really don't want to．

A．needn't

B．mustn't

C．can't

D．couldn’t

The twins are talking about the book Who Moved My Cheese．It's fun to ________

A．join

B．join in

C．take part in

D．enter

The air is fresh outside．Let's go and take a walk, ________?

A．will you

B．shall we

C．don't you

D．aren’t you

Mary bought a house ________ a small garden．She will move in next week．

A．from

B．with

C．for

D．of

The soldier rushed into the room ________ the baby in the fire．

A．to save

B．saving

C．and save

D．saved

Students ________ slippers when they are at school．

A．don't allow to wear

B．are not allowed to wear

C．are not allowed wear

D．are not allowed wearing