When something is wrong with your robot, it might ________ in your flat．

A．make a mess

B．made a mess

C．makes a mess

D．made mess

The robot can help Mum ________ when there are dirty clothes．

A．does the washing

B．do the washing

C．did the washing

D．doing the washing

________ people we help, ________ we feel．

A．Many, the more happily

B．The more, the happier

C．All, the happiest

D．Most, the most happy

－Dad, ________ I take your camera?－Yes, you can．

A．must

B．could

C．might

D．need

I don’t know when he ________ tomorrow．I think if he ________, I’ll go to see him．

A．comes, comes

B．will come, comes

C．will come, will come

D．comes, will come．

A large number of students ________ playing football on the playground．

A．is

B．to be

C．have

D．are

________ of the students will take part in the sports meeting．

A．Three five

B．Three fives

C．Thirds fifths

D．Three fifths

The hard work made me ________ very tired．

A．feel

B．to feel

C．feeling

D．feels

They were ________ busy ________ with each other ________ the time．

A．too, to talk, to forget

B．too, talking; to forget

C．so, to talk, that they forgot

D．so, talking, that they forgot

The Smiths ________ sending e-mails ________ letters．because it is faster．

A．prefer, to writing

B．prefer, to write

C．prefers, to writing

D．prefers, to write