1 . I ________ your number in my notebook but I couldn’t find it so I didn’t call you back.

A．worked out

B．took down

C．picked up

2 . The math problem was very hard for him, but he still ________ it ________.

A．worked; on

B．worked; out

C．worked; with

D．worked; for

3 . Whenever I go to visit my grandparents, they will ________ a lot of delicious food for me.

A．put out

B．work out

C．lay out

4 . —Meimei is ________ the difficult math problem.
—I’m sure she’ll ________.

A．working out; work it out	B．working on; work it out
C．working on; work it on	D．working out; work it on

5 . Those young firemen were ________ to ________ the fire in the forest.

A．enough brave, work out

B．brave enough, put out

C．brave enough, hand out

6 . He ________ lots of money to the people in the earthquake area ________.

A．handed out; help them out

B．gave out; work out well

C．gave away; to help them out

7 . These problems are too difficult to ________. I think we need some help from our teacher.

A．give up

B．work out

C．keep away

D．hand out

9 . Alright, class is over. If you want to get further information about what we learned today just ________ online.

A．work it out

B．look it up

C．put it on

10 . Mary is in trouble. Let’s try to ________ her ________.

A．help; out

B．hand; out

C．work; out