— Oh, my God, I left my portable computer in the taxi!
— ________. Let’s call the taxi company first．
| A．Pray for it | B．Cheer up |
| C．Forget it | D．Calm down |
According to the rules and regulations, all payments _____ be made in cash in the shopping center.
| A．shall | B．can | C．must | D．should |
A huge amount of environmental damage has been _____ by the destruction of the rainforests.
| A．brought up | B．brought about | C．brought down | D．brought out |
_____ her leg the last time, Brenda decided not to go on the school skiing trip this year.
| A．Breaking | B．Broken | C．To break | D．Having broken |
Doctors strongly recommended that my father _____ more exercise regularly instead of sitting still before a computer all day long.
| A．takes | B．take | C．took | D．had taken |
I went to that fancy restaurant with my wife yesterday, _____ chefs are really brilliant.
| A．when | B．which | C．who | D．whose |