She ____________ as an animal trainer since 2003.
| A．has worked | B．works | C．will work | D．worked |
A true friend is a person ________ will always be there to share your laughter and tears.
| A． |
what |
B． |
which |
C． |
who |
D． |
whom |
—Hi, Ethan. I called you at 8:00 last night, but you didn’t answer.
—Sorry, I ______ the dishes.
| A． |
wash |
B． |
washed |
| C． |
am washing |
D． |
was washing |
—Tom, the high-speed railway（高铁）connecting Luzhou with Chongqing ______ this year hopefully.
—Amazing! I’m looking forward to it!
| A． |
completes |
B． |
is completed |
| C． |
was completed |
D． |
will be completed |
—The best things in life are free.
—Couldn’t agree more. Air costs ______, but we can’t live without it.
| A． |
something |
B． |
nothing |
C． |
anything |
D． |
everything |
—Rebecca, have you decided what to do this Saturday?
—Not yet. I ______ volunteer at the old people’s home.
| A． |
may |
B． |
must |
| C． |
should |
D． |
would |