Bats are surprisingly long-lived creatures, some____________ a life span of around 20 years.
#102033
A
have
B
had
C
to have
D
having
推荐题目
-- How can I apply for an online course? -- Just fill out this form and we _______ what we can do four you.
#102945
A
see
B
are seeing
C
have seen
D
will see
Modern teaching equipment as well as some computers ________ to the village school last week.
#100950
A
were sent
B
was sent
C
has been sent
D
had been sent
With an online course Lynn has over 300, 000 students all over China ____ her class through the Internet.
#100747
A
attending
B
attended
C
attend
D
are attending
That piece of music sounds quite familiar. Who _____ the piano upstairs?
#102640
A
as played
B
played
C
plays
D
is playing