Having a trip abroad is certainly good for the old couple, but it remains_____ whether they will enjoy it.

A)produced B)being produced C)to be produced D)having been produced

A)for paying B)to be paid C)to be paying D)to have paid

A)possess B)have possessed C)to possess D)possessing

A)to start B)to have started C)to be starting D)to have been starting

A)evolution B)sign C)individual D)ceremony

A)dramatic B)original C)considerable D)temple

A)dramatic B)original C)considerable D)temple

A)feedback B)backward C)withdraw D)departure

A)affects B)reacts C)reflects D)recognizes

A)express B)explode C)exploit D)expose