______ surprised us most was that with all his money, he _______ worry about a little thing like 5 cents.
| A．It; could | B．What; could | C．What; should | D．It; should |
Will you please also state your earliest delivery date, your terms of payment, and discounts for regular _______?
| A．supplies | B．sales | C．purchases | D．accounts |
Don't ______ to spring-clean the whole house just because my mother is coming---there's no need to do that.
| A．undertake | B．attempt | C．bother | D．hesitate |
My husband________ a model plane the whole Sunday morning. I thought he would help do some washing.
| A．has made | B．made | C．was making | D．had made |
Joanna is no less hardworking than her twin sister, _______ she failed in the final exam.
| A．but | B．so | C．or | D．and |
—Can I have ________ apple?
—Oh, your sister has just had it.
| A．another | B．other | C．one more | D．the other |