—Car prices have been going down sharply in the last 20 years.—It's not surprising because the law of market ________ the price of a product.
#99495
A
is controlling
B
controls
C
has controlled
D
controlled
推荐题目
My house _____ when you visited Beijing last time, so I didn’t invite you to my home.
#101211
A
was being decorated
B
is being decorated
C
has been decorated
D
was decorated
--Why didn’t Tom have his lunch? It’s already one o’clock.---His pet bird ____this morning. He____still for quite a long time in his room crying.
#104013
A
died; had sat
B
has died; has sat
C
has died; is sitting
D
died; has been sitting
Professor White, along with his wife and children, ________ London for Paris tomorrow.
#100116
A
are leaving
B
is leaving
C
has left
D
have left
—Don't use my handkerchief to wipe the table，gentleman.—Oh, I' m very sorry.I________clearly.
#99180
A
didn't see
B
hadn't seen
C
wasn't seeing
D
can't see
My headache _____ me．I thought it was going away, but it’s getting worse and worse．
#101745
A
kills
B
is killing
C
was killing
D
killed