【推荐1】—Is there anything amazing in today’s newspaper?
—Yes. By using ordinary computers, NASA scientists are busy________ at home to control a space rover(天体登陆车）on the Red Planet. .

A．to programme

B．programming

C．programme

D．with programming

【推荐2】They are busy ________ their homework.

A．do

B．doing

C．does

D．to do

【推荐3】Students are busy ________ for the coming test these days.

A．prepare

B．prepared

C．to prepare

D．preparing

【推荐1】—Did you forget ________ off the light when you left the room just now?
—No, I remember ________ that, Mum.

A．to turn；to do

B．turning；doing

C．to turn；doing

【推荐2】Don’t forget ________ your homework to school, Dave.

A．bring

B．bringing

C．to bring

D．for bring

【推荐3】—Why are you late________ school, Sam?
—I'm sorry. I forgot________ my alarm and I overslept.

A．to; to set

B．for; to set

C．to; setting

D．for; setting

【推荐1】My good friend often prefers ________ a lot of chocolate to ________ when she feels stressed.

A．eating; relaxing

B．to eating; relax

C．to eat; relax

D．to eat; relaxing

【推荐2】----Miss Lou, I am going home now.
-----OK，but remember not ________ too fast. Safety first.

A．run

B．running

C．ran

D．to run

【推荐3】I can't tell you what she said.I've promised ____it a secret.

A．keep	B．to keep
C．keeping

【推荐1】—How long does it take Tom to practice ________ English every day?
—More than one hour.

A．speaking

B．speak

C．speaks

D．to speak

【推荐2】He is from America, so he has trouble ________ the people here.

A．understand

B．to understand

C．understood

D．understanding

【推荐3】You’re not good at ________. You should read ________ books.

A．writing; more

B．write; much more

C．write; much

D．writing; much