Many developed countries have agreed to help the less developed ones but it remains ________ whether they will take action or not.
There is a car ___ the house.And the driver is sitting ___ the car. A. in front of,,, in front of B, in front of … in the front of C. in the front of… in the front of D. in the front of… in the front of
They haven't decided ___ they will go for a drive on Sunday or not.
___ new products have been successfully made in the factory.
Either you or I __ to blame for this.
--Was the driving pleasant when you vocationed in Mexico last summer? ----No, it ___ for four days when we arrived, so that the roads were very muddy.