The young parents _________ too much a pet of their son, which is bound to destroy him in the end.
| A．have made | B．are making | C．made | D．will be making |
I think you are at the end of your ________ this time and need to turn to Pro. Smith for advice.
| A．resources | B．careers | C．features | D．issues |
_________ there are certainly times when giving up trying is the right thing to do, in most cases all needed is commitment and communication.
| A．Unless | B．Before | C．Although | D．Since |
Whom do you think Mary will _________ into the matter instead of her?
| A．have looked | B．have to look | C．have had looking | D．have look |
Recently our community has launched a campaign among all the residents , ____ we are called upon to do our little but to prevent the worsening environment.
| A．where | B．which | C．as | D．when |