The trade imbalance is likely to rise again in 2017._______ a new policy will be required soon.

It is too early to tell whether ________ the public expenses will benefit the company workers or not.

His mother had talked to him for many minutes while he was watching TV,but ＿＿＿＿.

She _________ watching TV, but she ____________ listening o the radio.

We got here on Monday morning.—______ Why didn’t you call me earlier