-- I’m exhausted. I _____ on a project day and night.
-- You’d better have several days off after finishing it. Otherwise you might break down.
| A．worked | B．have worked |
| C．work | D．have been working |
–I’m sorry. I’ve left my wallet home. So I don’t have enough cash for the meal.
-- Take it easy. _________ .
| A．It’s a piece of cake | B．It’s my pleasure to pay you |
| C．It’s my treat | D．It’s at your expense |
Many experts believe that teachers’ development is ______ the key to better education lies.
| A．that | B．what | C．where | D．which |
My money _________. I must go to the bank to draw some of my savings out before I have _______ in hand.
| A．has run out; none | B．is running out; none |
| C．has been run out; nothing | D．is being run out; nothing |
She had no idea how it ______ that her husband met with trouble again.
| A．came up | B．came about | C．came out | D．came across |
Ten years ago the population of our village was ____________ that of theirs.
| A．as twice large as | B．twice as large as |
| C．twice as much as | D．as twice much as |