97. Yesterday we received a _____ in which several customers have found fault with our products.
| A．letter of congratulations | B．letter of thanks |
| C．letter of criticism | D．commendatory letter |
David jumped _____ to get the first ______ the beginning of the sports.
| A．enough high; in | B．enough highly; in |
| C．high enough; at | D．highly enough; at |
Who is the singer ______ you like best?
| A．that | B．who | C．whom | D．which |
Whose turn ___ the cleaning?
| A．is it doing | B．is it to do | C．is doing | D．is to do |
He ____ to lend me his bike but I refused, for I didn’t want to trouble him.
| A．failed | B．offered | C．considered | D．insisted |
Is there any _____ for the piano in the office?
| A．seat | B．place | C．empty | D．room |