---Alice, you look puzzled, Have you understood it?
---Yes．I _____another problem just now．
| A．l have thought of | B．am thinking of |
| C．had thought of | D．was thinking of |
Peter’s jacket looked just the same as Jack’s, but it cost ___________his.
| A．as much twice as | B．twice much as |
| C．twice as much as | D．as twice much as |
As long as you’ve paid in ___________, we won’t charge you for the delivery.
| A．charge | B．need | C．return | D．advance |
My point is that you must do ____________ is best for you.
| A．whatever | B．however | C．no matter what | D．no matter how |
-----I stayed up late last night preparing the speech.
-----__________ you look so tired today.
| A．No doubt | B．No problem | C．No time | D．No wonder |
The little girl was afraid of having her bad tooth pulled out. The dentist tried hard to put her _____________.
| A．at last | B．at hand | C．at ease | D．at least |