Don’t disturb me. I_______ letters all morning and have written ten so far.
#100860
A
have written
B
am writing
C
was writing
D
have been writing
推荐题目
By the time he was twelve he ______ a chemistry lab of his own.
#104127
A
built
B
has built
C
had built
D
was building
His second book nearly comes to an end and it’s said that it ______ in two months.
#100727
A
will publish
B
will be published
C
has published
D
has been published
Ever since middle school, my sister and I ________ about taking a bike trip.
#100065
A
dreamed
B
dream
C
have dreamed
D
had dreamed
More than twenty years____________since he came to teach in this school, and every student and every parent_____him.
#102501
A
have passed,like
B
has passed,likes
C
have passed,likes
D
has passed,like
—Have you worked here since you graduated?—No, I ____________at a factory in Beijing for six years.
#101259
A
would work
B
have worked
C
had worked
D
worked