Bicycling is good exercise; ____, it does not pollute the air.
| A．nevertheless | B．besides | C．otherwise | D．therefore |
He’s lucky enough to have many people ___ him with the work.
| A．help | B．to help | C．helped | D．helping |
Everybody thoutht __ strange for a shy nab to ___ so many exciting things.
| A．this; have done | B．; have done | C．this; do | D．it, do |
I noticed ___ at those beautiful flowers.
| A．him looking | B．his looking | C．he looking | D．him to look |
Crusoe ___ a boat, but he failed.
| A．meant to build | B．meant building | C．had meant to build | D．had meant building |
He ___ me to give him a right direction.
| A．expected | B．demanded | C．hoped | D．suggested |