[TECH] TOEFL Class (SALSA) - Pres. Perfect (Alternate Xercise-1)

There ............... numerous rumors going on about the collapsed bridge.

• have been

• has been

• have being

• has being

It ............... more than 14 years ............... Michael Jackson’s passing and he is still remembered as one of the greatest musicians of all time.

• has been - since

• have been - since

• has been - for

• have been - for

The native residents ................... isolated from the outside world ............... hundreds of years.

• have lived - for

• have living - since

• has lived - for

• has been live

The government ............... revoked the mandatory social distancing ............... December 2022.

• has - since

• have - since

• has - for

• have - for

There ................ any worse nuclear reactor accident to human since the tragedy of Hiashi Ouchi in 1999.

• has not been

• has not be

• have not been

• has be

The classes ................. their exam outline ... more than a week now.

• have not got - for

• has not got - for

• have not get - for

• have not got - since

A professor discovers a vaccine that ................ 80 percent effective for children and babies.

• has been

• have been

• has

• has being

The usual camera ................ been working properly ............... 10 minutes ago.

• has not - since

• has not - for

• have not - since

• have not - for

It is estimated that thousands of people .................... their homes due to the recent hurricane.

• have lost

• have losted

• have losed

• has lost

There ................... any hoaxes circulating around the internet .............. the past few days.

• have not been - for

• have not been - since

• has not been - for

• has not been - since