B
1) Mark couldn't lift the suitcase, he was too weak.
Mark wasn't ................................ lift the suitcase.
strong enough

elbow
Shhhhh! Be quiet! John............................. (sleep).

C
There was nobody on the beach when we arrived.
There wasn't .......................on the beach when we arrived.
anybody

tights
Sam (arrive) ........................... in San Diego a week ago.
B
Does classical music interest you?
Are you ..................... classical music?
interested in

keyboard
If it (snow) ............... this weekend, we (go) ................... skiing near Lake Tahoe.

B
How much does the plane ticket to London cost?
What is ....................... the plane ticket to London?
the price of

peach
A: What ................(you, do) when the accident happened?
B: I (try) .................to change a light bulb that had burnt out.
were you doing
was trying

It usually takes me two hours to wash my car.
I usually spend two hours ........my car.
washing
bridge
You look really great!.................. (you, work) out at the fitness center recently?
Have you worked out