—What a clean and bright classroom, isn’t it?—Yes, it’s always clean and bright because it every day.
#39281
A
cleans
B
cleaned
C
is cleaned
D
was cleaned
推荐题目
Hurry up! Once the concert starts, nobody _______ to enter the concert hall.
#36280
A
allows
B
allowed
C
is allowed
D
is allowing
The director wants to make sure no one will solve the mystery until it ________ at the end of the horror film.
#38260
A
is explained
B
will be explained
C
explains
D
has explained
Julie’s father _____ to London last month. He ______ there three times.
#36609
A
went; had gone
B
has gone; has been
C
went; has been
D
has been; has gone
It’s said that scientists have ________ a way to deal with the serious disease
#41866
A
caught up with
B
come up with
C
agreed with
D
compared with