I called him many times, but I didn’t get through, maybe his mum _ on the phone all the time．
#101393
A
talked
B
was talking
C
has talked
D
had talked
推荐题目
Space exploration began in the 1960s, and since then about five hundred people into space.
#101989
A
have traveled
B
traveled
C
had traveled
D
are traveling
According to the survey, two thirds of the area__________covered by trees now and 90% of the population__________contributions to the Greening Project in the city.
#102395
A
is ; has made
B
are; have made
C
is; have made
D
are; has made
—What’s the price of petrol these days?—It ________ frequently since last year.
#99445
A
is arisen
B
increased
C
has been rising
D
has raised
A new cinema here . They hope to finish it next month.
#101379
A
will be built
B
is built
C
has been built
D
is being built